China Standard CZPT Electric Motor Spindle Water Cooled Spindle Motor 170ld30 for CNC Router with Great quality

Product Description

ZYS Hot Sale machine tool shaft CNC Router Spindle 170LD35 for rotation-rolling

The electric spindles for rotary has LD series and high-frequency spindles for rotation-rolling is widely used for machining internal thread copper tubes for heat exchange of air conditioning equipment.

Technical parameter of motor spindles for rotation-rolling:

Type Dimension Speed
Lubrication Bearing Application
of copper 
  D L1*L2                
170LD15Q Φ170 388*277 15000 22 380 36 450 Oil gas 3-EX55/
170LD15 Φ170 400*315 15000 18 380 32 250 Oil mist 3-VEX55/
170LD24M Φ170 362*276 24000 15 380 26 400 Oil mist 3-VEX45/NS
170LD24Q Φ170 359*276 24000 10 380 20 400 Oil gas 2-B7009C P4 / 
2-B7007C P4
170LD30 Φ170 350*276 30000 25 350 54.2 1000 Oil mist 3-VEX50/NS
170LD35 Φ170 350*276 35000 12 380 25 583 Oil gas 2-VEX40/NS
170LD45 Φ170 350*295 45000 7.5 350 18.2 1500 Oil gas 2-VEX35/NS

ZYS Advantage                                                                                               

★ In September 1958, the spindle manufacturing department successfully developed China’s first high-precision electric spindle. The electric spindle uses the speed of 30,000 ~ 60,000r / min for precision bearing grinding.

★ Through the efforts of several generations of spindle employees, CZPT has established its leading position in the field of high frequency Spindle spindle in China, and its research and development strength and spindles varieties rank first in China.

★ CZPT is the main drafting unit of spindle national standards, drafting and participating in a number of spindle standards.

★ CZPT is the deputy Director of Spindle Functional Components Technical Committee of China Machine Tool Industry Association.

★ CZPT is the undertaker of the 863 spindle project, the key unit responsible for the scientific and technological research and development of CNC machine tool spindles in the “Eighth Five-Year Plan”, “Ninth Five-Year Plan” and “Tenth Five-Year Plan”.

★ CZPT is the core unit of high-speed efficient processing and process innovation platform for National science and technology major special project “high-grade CNC machine tools and basic manufacturing equipment”./p>

★ ZheJiang Machine Tool Spindle Engineering Technology Research Center, Postdoctoral Research Station.

★ CZPT is the close cooperation unit with Tsinghua University, HangZhou Jiaotong University, HangZhou Institute of Technology, Southeast University, ZheJiang University of Science and Technology, HangZhou University of Technology, Northern Jiaotong University, ZheJiang University of Science and Technology for”production, learning, research, use” .

★ Relying on the advantages in precision bearings, CZPT has unique advantages in the design of bearing + shaft system system. CZPT is 1 of the few companies in the world that has the ability to simultaneously develop and produce precision motorized spindle spindles and bearings with P4/P2 grade.

★ The software of “Spindle Structure Analysis and Calculation CAD” was developed to form a complete scientific system of spindle design and manufacturing.

★ CZPT can deliver more than 100 kinds of customized non-standard electric spindle and mechanical spindle products every year.


ZYS Quality assurance 

ZYS bearing products


Contact us       

Address: No.1 HangZhou Road, HangZhou City, ZheJiang , Province, China.
Zip Code:471039
Website: chinazys

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.

China Standard CZPT Electric Motor Spindle Water Cooled Spindle Motor 170ld30 for CNC Router     with Great qualityChina Standard CZPT Electric Motor Spindle Water Cooled Spindle Motor 170ld30 for CNC Router     with Great quality