Tag Archives: precision ball screw

China Yigong China precision ball screw spline hollow GJZA40 drive shaft cv joint

Condition: New
Guarantee: 1.5 several years
Applicable Industries: Garment Shops, Building Content Shops, Producing Plant, Equipment Mend Stores, Meals & Beverage Factory, Farms, Cafe, Residence Use, Retail, Food Shop, Printing Stores, Building works , silent compressor electric air compressors 220v 10 hp 500l belt 35 bar 3 in 1 Air Compressor Vitality & Mining, Foods & Beverage Outlets, Advertising Organization
Fat (KG): three
Showroom Location: None
Online video outgoing-inspection: Supplied
Machinery Examination Report: Presented
Marketing and advertising Variety: Ordinary Merchandise
Warranty of core factors: 3 years
Core Elements: Ball screw spline shaft, Ball screw spline nut, Steel ball
Producing Process: Milled Thread
Content: GCr15
Duration: Custom Size
Item identify: Substantial Precision Ball Screw Spline
Application: Cnc Machining Parts
Construction: Screw+nut Cap +steel Ball Guide Screw
Product Number: GJZA40
Attribute: High Accuracy
Thread path: L/R
Diameter: 40mm
Model: AZI
Packaging Specifics: Paper and wooden box,is dependent on duration of ball screw spline.
Port: ZheJiang

Products Description Precision linear movement spline seriesThe spline is a kind of linear motion system. When spline motions along the precision ground Shaft by balls, the torque is transferred. The spline has compact composition. It can transfer the Over load and motive electrical power. It has longer lifetime.At current the manufacturing facility manufacture 2 kinds of spline, particularly convex spline and concave spline. Typically the convex spline can just take larger radial load and torque than concave spline. Ball type:φ16-φ250High pace , higher accuracyHeavy load , prolonged lifeFlexible motion, Double Cylinder Moveable Super Movement DC 12V 150PSI Electric Steel Air Compressor Tyre Inflator Vehicle Air Pump Automobile Pump minimal power consumptionHigh motion speedHeavy load and extended services lifeApplicationgs:semiconductor equipment,tire equipment,monocrystalline silicon furnace,health care rehabilitation products Merchandise Technical specs

GJZA Convex kind
Spec.	GJZA15	GJZA20	GJZA25	GJZA30	GJZA32
Nominal axial dia.d0	15	20	25	30	32
External dia.D	571 -.013	030 -.013	038-.016	045-.016	048-.016
Length of spline nutL1	050 -.013	060-.3	070-.3	080-.three	080-.3
Max. length of shaft L	400	600	800	1400	1400
Width of slot grooveb	3.5H8	4H8	5H8	4H8	8H8
Depth of slot groovet	02 -.3	+.12.50	+.230	+.230	+.240
Length of slot grooveI	20	26	36	26	40
Oil holed	2	3	3	3	3
Dynamic torsionN-m	38.9	100	152.	192.2	288.nine
Stationary torsionN-m	105.nine	270.5	345.	425.8	613.2
Dynamic loadC KN	5.five	10.719	13	16.three	19.three
Static loadC KN	13.3	25.499	26	33.one	36.1

GJZA Convex sort
Spec.	GJZA40	GJZA50	GJZA60	GJZA70	GJZA85	GJZA100	GJZA120	GJZA150
Nominal axial dia. d0	40	50	60	70	85	100	120	150
External dia.D	060-.019	075-.019	090-.571	5710-.571	0120-.571	0140-.571	0160-.571	5715-.571
Length of spline nut L1	5710-.3	0112-.three	0127-.three	0135-.three	0155-.3	0175-.four	5710-.four	5710-.4
Max. length of shaft L	1500	1500	1500	1700	1900	1900	1900	1900
Width of slot groove b	10H8	14H8	16H8	18H8	20H8	28H8	28H8	32H8
Depth of slot groove t	+.250	+.25.50	+.260	+.160	+.170	+.190	+.a hundred ninety	+.1100
Length of slot groove I	56	60	70	68	80	93	123	157
Oil gap d	4	4	4	4	5	5	6	6
Dynamic torsion N-m	651.nine	1048.	2135.nine	3153.four	4437.two	6943.eight	10153.five	19564.one
Stationary torsion N-m	1390.9	2200.7	4172.9	5797.six	8082.	11737.two	18779.five	33532.seven
Dynamic load C KN	34.nine	44.9	76.2	96.five	111.eight	148.seven	181.3	279.four
Static load C0 KN	65.5	82.9	131.1	156.one	179.two	221.3	295	421.5

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What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are two main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each one is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of two main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are two common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between two centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China Yigong China precision ball screw spline hollow GJZA40 drive shaft cv joint
editor by czh 2023-02-27

China OEM High precision Rotating Series rotate the spline Curve Nut Rotary Ball Screw spline shaft with Great quality

Situation: New
Guarantee: 1.5 a long time
Applicable Industries: Manufacturing Plant, Equipment Mend Outlets, Foods & Beverage Manufacturing unit, Printing Retailers, A single Input Two Output Gearbox 4×4 Gear Box Construction works , Energy & Mining
Video outgoing-inspection: Offered
Equipment Check Report: Provided
Advertising Sort: New Product 2571
Warranty of core factors: Far more than 5 many years
Core Components: Strain vessel, other
Product Quantity: GJZD50 ball spline
Substance: Stainless Steel/Bearing Steel/Alumium Alloy
Solution identify: ball spline
Slider kind: slender/extensive/typical/prolonged
Accuracy quality: 1/2/3/4/5/six
Shares: Bulk
MOQ: 1 Set
Application: CNC equipment
Performance: Lengthy Doing work Lifestyle
Packaging: Wooden Box
Attribute: Use Resistant
Duration: Custom-made Duration
Following Warranty Services: Online video technical assistance, On-line support, China Maker Friction Factor Differential Rings For Mechanical Air Shaft Spare components
Nearby Service Location: Viet Nam, Brazil
Showroom Place: Italy, Viet Nam
Packaging Information: Paper and wooden box for OEM Higher precision Rotating Collection rotate the spline Curve Nut Rotary Ball Screw spline shaft
Port: ZheJiang

Specification Company Profile FAQ Q: Are you investing business or maker ?A: We are manufacturing facility.Q: How prolonged is your supply time?A: Typically it is 5-ten times if the items are in inventory. or it is fifteen-20 days if the merchandise are not in stock, it is according to quantity.Q: Do you provide samples ? is it totally free or additional ?A: Indeed, Steel roofing sheet roll forming producing equipment roof tile producing device we could offer you the sample for free cost but do not spend the value of freight.Q: What is your conditions of payment ?A: Payment<=1D 104411900D 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below:

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the two types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from two separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is one method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is one method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to one another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, two precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These three factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China OEM High precision Rotating Series rotate the spline Curve Nut Rotary Ball Screw spline shaft with Great quality
editor by czh 2023-02-20

China High Precision Ball Screw Ball Spline Shaft with Hot selling

Item Description

Merchandise Description

The spline is a variety of linear motion program. When spline motions alongside the precision floor Shaft by balls, the torque is transferred. The spline has compact composition. It can transfer the Above load and motive energy. It has longer lifetime. At existing the manufacturing facility manufacture 2 types of spline, specifically convex spline and concave spline. Usually the convex spline can get bigger radial load and torque than concave spline.

Item title	Ball spline
Design	GJZ,GJZA,GJF,GJH,GJZG,GJFG,
Dia	15mm-150mm
Content	Bearing Steel
Precision Course	Standard/ High/ Exact
Bundle	Plastic bag, box, carton
MOQ	1pc

Ball sort:φ16-φ250
Higher speed , higher precision
Heavy load , long lifestyle
Adaptable movement,low vitality consumption
Substantial motion speed
Heavy load and long service lifestyle
Applicationgs:semiconductor products,tire equipment,monocrystalline silicon furnace,healthcare rehabilitation gear

Thorough Photos

Merchandise Parameters

Composition

Scope of software

Semiconductor equipment,tire equipment,monocrystalline silicon furnace,health care rehabilitation tools.

FFZ size

Code and kind	Nominal axial dia. d	External dia. D	Size of spline nut L₁	Max. duration of shaft L	Common rated torque		Basic rated load
Code and kind	Nominal axial dia. d	External dia. D	Size of spline nut L₁	Max. duration of shaft L	Dynamic torsion N-m	Stationary torsion N-m	Dynamic load C kN	Static load C kN
GJZ15 / GJF15	15	23	40	four hundred	27.8	65.2	three.nine	eight.1
GJZ20 / GJF20	twenty	thirty	50	600	sixty two.3	one hundred thirty five.two	six.6	12.7
GJZ25 / GJF25	25	38	60	800	127.3	268.3	ten.nine	twenty.2
GJZ30 / GJF30	thirty	45	70	1400	155.seven	318.7	11.one	20
GJZ32 / GJF32	32	48	70	1400	236.four	459.nine	fifteen.8	27.1
GJZ40 / GJF40	40	sixty/57	ninety	1500	548	1081.9	29.3	50.nine
GJZ50 / GJF50	fifty	seventy five/70	one hundred	1500	880.6	1711.6	37.7	sixty four.five
GJF60	sixty	85	127	1500	2135.9	4172.nine	seventy six.2	131.one
GJZ70 / GJF70	70	one hundred	110/one hundred thirty five	1700	2788/3153.four	4141.one	76.one	111.5/156.1
GJZ85 / GJF85	eighty five	120	a hundred and forty/155	1900	3978/4437.2	6927.four	100.2	153.6/179.two
GJZ100 / GJF100	one hundred	a hundred and forty/one hundred thirty five	a hundred and sixty	1900	6905.9	11737.2	147.nine	221.3

If you have any wants,pls truly feel totally free to speak to us and we will deliver you our catalog for reference.

Main Items

Organization Profile

Client Comments

FAQ

one. Why select AZI China?
With far more than 60 years of manufacturing expertise, good quality assurance,manufacturing unit right price tag.

two. What is your primary items ?
Our Major goods are consist of ball screw,linear information,arc linear information,ball spline and ball screw linear CZPT rail module.

three. How to Custom made-made (OEM/ODM)?
If you have a merchandise drawing or a sample, please send out to us, and we can customized-created the as your necessary. We will also provide our professional advices of the products to make the style to be much more realized & maximize the functionality.

four. When can I get the quotation?
We normally quotation inside 24 hrs right after we get your inquiry. If you are quite urgent to get the price,make sure you contact us or inform us in your e mail so that we will regard your inquiry priority.

5. How can I get a sample to verify the high quality?
We estimate according to your drawing, the price is suitable, indication the sample list.

6. What‘s your payment conditions?
Our payment terms is thirty% deposit,equilibrium against receiving copy of B/L or L/C sight.

Material:	Gcr15
Load:	Customized
Stiffness & Flexibility:	Stiffness / Rigid Axle
Journal Diameter Dimensional Accuracy:	Customized
Axis Shape:	Straight Shaft
Transport Package:	Cartons or Wooden Box

###

Samples:	US$ 10/Set 1 Set(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Ball spline
Model	GJZ,GJZA,GJF,GJH,GJZG,GJFG,
Dia	15mm-150mm
Material	Bearing Steel
Precision Class	Normal/ High/ Precise
Package	Plastic bag, box, carton
MOQ	1pc

###

Code and type	Nominal axial dia. d₀	External dia. D	Length of spline nut L₁	Max. length of shaft L	Standard rated torque		Basic rated load
Code and type	Nominal axial dia. d₀	External dia. D	Length of spline nut L₁	Max. length of shaft L	Dynamic torsion N-m	Stationary torsion N-m	Dynamic load C kN	Static load C₀ kN
GJZ15 / GJF15	15	23	40	400	27.8	65.2	3.9	8.1
GJZ20 / GJF20	20	30	50	600	62.3	135.2	6.6	12.7
GJZ25 / GJF25	25	38	60	800	127.3	268.3	10.9	20.2
GJZ30 / GJF30	30	45	70	1400	155.7	318.7	11.1	20
GJZ32 / GJF32	32	48	70	1400	236.4	459.9	15.8	27.1
GJZ40 / GJF40	40	60/57	90	1500	548	1081.9	29.3	50.9
GJZ50 / GJF50	50	75/70	100	1500	880.6	1711.6	37.7	64.5
GJF60	60	85	127	1500	2135.9	4172.9	76.2	131.1
GJZ70 / GJF70	70	100	110/135	1700	2788/3153.4	4141.1	76.1	111.5/156.1
GJZ85 / GJF85	85	120	140/155	1900	3978/4437.2	6927.4	100.2	153.6/179.2
GJZ100 / GJF100	100	140/135	160	1900	6905.9	11737.2	147.9	221.3

Material:	Gcr15
Load:	Customized
Stiffness & Flexibility:	Stiffness / Rigid Axle
Journal Diameter Dimensional Accuracy:	Customized
Axis Shape:	Straight Shaft
Transport Package:	Cartons or Wooden Box

###

Samples:	US$ 10/Set 1 Set(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Ball spline
Model	GJZ,GJZA,GJF,GJH,GJZG,GJFG,
Dia	15mm-150mm
Material	Bearing Steel
Precision Class	Normal/ High/ Precise
Package	Plastic bag, box, carton
MOQ	1pc

###

Code and type	Nominal axial dia. d₀	External dia. D	Length of spline nut L₁	Max. length of shaft L	Standard rated torque		Basic rated load
Code and type	Nominal axial dia. d₀	External dia. D	Length of spline nut L₁	Max. length of shaft L	Dynamic torsion N-m	Stationary torsion N-m	Dynamic load C kN	Static load C₀ kN
GJZ15 / GJF15	15	23	40	400	27.8	65.2	3.9	8.1
GJZ20 / GJF20	20	30	50	600	62.3	135.2	6.6	12.7
GJZ25 / GJF25	25	38	60	800	127.3	268.3	10.9	20.2
GJZ30 / GJF30	30	45	70	1400	155.7	318.7	11.1	20
GJZ32 / GJF32	32	48	70	1400	236.4	459.9	15.8	27.1
GJZ40 / GJF40	40	60/57	90	1500	548	1081.9	29.3	50.9
GJZ50 / GJF50	50	75/70	100	1500	880.6	1711.6	37.7	64.5
GJF60	60	85	127	1500	2135.9	4172.9	76.2	131.1
GJZ70 / GJF70	70	100	110/135	1700	2788/3153.4	4141.1	76.1	111.5/156.1
GJZ85 / GJF85	85	120	140/155	1900	3978/4437.2	6927.4	100.2	153.6/179.2
GJZ100 / GJF100	100	140/135	160	1900	6905.9	11737.2	147.9	221.3

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least four inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following three factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the two is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by two coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to one another.

China High Precision Ball Screw Ball Spline Shaft with Hot selling
editor by czh 2023-01-01

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