|Design/Size||According to customer’s drawing or sample|
Aluminum:6061, 6063, 6082, 7075, 5052, A380 etc.
Stainless Steel:SS201, SS301, SS303, SS304, (SS304 FOOD GRADE), SS316,SS316L,SUS430, SS416
Steel: Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.
Alloy steel (15Cr,20Cr,42CrMo) and other etc.
Brass:HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.
Titanium: TC4 (TiAl6v4, Gradef5)
Plastic:ABS, PC, PE, POM, Delrin, Nylon, plastic, PP,PEI, Peek etc.
|Process||CNC machining, Turning, Milling, Stamping,Lathing, Cutting, etc.|
|Leadtime||3-7 working days for samples generally, mass production as per detail qty after samples approval.|
|Surface Treatment||Clear Anodized,Color Anodized,Chemical Film, Brushing, Passivating, Polishing, Chroming,Sandblasting, Laser engraving,Zinc plating,Oxide black,Nickel plating,Chrome plating,Carburized,Heat treatment,Painting|
|Test Equipment||Coordinate Measuring Machine(CMM), 2D Measurement instrument,Projector,Altimeter,Micrometer,Thread Gages,Hardness Tester, Calipers, Pin Gauge,Salt Spray Test Machine,Concentricity Measuring Instrument
Concentricity Measuring Instrument,Spectrometer.
|Quality Management System||ISO 9001:2015
CHINA CLASSIFICATION CERTIFICATION
|Application||Auto parts,machinery parts,computer parts,medical parts,home appliances parts,electrical equipment parts,electrical appliances parts,electronic products parts,electronic parts,generator parts,alternator parts,dynamo parts,electric generator parts,stationery,power switches,miniature switches, architecture, commodity and A/V equipment.|
|Packing||Inner-Plastic bag,Outer -Standard Carton Box,or according to customers’ requirements|
|Shipping||By sea, by air, International Express(DHL,FedEx,TNT,UPS).|
|Service||Warm and quick response service by the professional foreign trade team.
Size inspection report/Raw material certification/Surface treatment report/Engineering drawing
RoHS report/Salt spray test report/Hardness test reort
HangZhou Zhong Li Da Machinery Co., Ltd. was founded in 2009, located in HangZhou city, ZheJiang Province, we are a customized precision hardware parts CNC machining manufacturing vendor certified by ISO9001:2015 and IATF16949:2016.
Our production workshop covers an area of 3,500 square meters. We have 6-axis machining center, turning and milling compound center, CNC lathe, automatic lathe and other precision production equipment.
HangZhou Zhong Li Da Machinery is based on the tenet of “technology is the root, quality is the foundation, reputation is the life, service is the belief”,We use innovative manufacturing techniques to produce high-quality products at the lowest achievable cost.
Regarding the Precision CNC turning parts , we can meet at:
Roundness & Concentricity: +/- 0.005mm
Surface Roughness: Ra 0.2
Flatness/Parallelism : 0.005mm
Perpendicularity : 0.005mm
General Tolerance : 0.001mm
WE COULD ALSO PROVIDE PPAP LEVEL FILES FOR THE AUTO INDUSTRY CUSTOMER!
Packaging & Shipping
Q: When can I get reply after send inquiry?
A: 1. All inquiries will be replied within 2 hours on Chinese working time.
2. Our call phones standing by any calls at any time.
Q: How long can I get samples ?
A: Generally samples can be sent to you within 7 working days after product drawing confirmed by both side.
Q: What file format can you accept for my products/design?
A: 1. We can accept varies format, igs, step, stp, jpg,pdf, dwg, dxf and so on.
Q: If I don’t have drawing, how can I get sample ?
A: If you don’t have any drawing,you can send us your sample, we will scan it and make 2D and 3D drawing first, then make sample for you.
Q: What are common materials that you use in projects?
A: Aluminum,Stainless Steel, Carbon Steel, Copper, Plastics, Titanium and PEEK etc.
Q: What’s your MOQ(minimum order quantity)
A: Different products have different MOQs, Welcome to send us trial order firstly.
Q: What kind of payment do you accept?
A: Welcome paid by T/T, L/C, Paypal, Western Union.
Advantages and Disadvantages of Using Taper Bulbs in Machine Tools
TB 2012-28 Taper bushes are standard conical studs with a locking mechanism. They have a conical outer surface, cylindrical inner bore, and H7 tolerance, and feature a standardized keyway. These studs are typically used for industrial applications to fix non-standard pulleys and TB hubs to shaft couplings. Those with a CZPT thread can also find them in many applications.
Having a good knowledge of the characteristics of a plant is essential when landscaping or choosing a new plant. Plant profiles can help new plants get off to a good start by providing you with essential information about their growth needs. The height and spread of a new plant are important factors to consider when combining plants in a pleasing design. If you want your landscape to look neat and tidy years down the line, planting a new plant now will ensure that it will be there to stay.
Widening longitudinal slits in a bush
One embodiment of the invention relates to a taper bush, and more particularly, to a method of achieving a balanced state by widening a longitudinal slit in a bush. One embodiment involves removing metal from the surrounding taper bore hub and bush to form a widened longitudinal slit in the bush. This method may be implemented in other embodiments as well, such as through profiling of the bush.
The tapers on a taper bush provide a locking mechanism. The material used is precision cast iron and often computer etched for size identification. In addition, the bushes provide excellent clamping force. Tapers are used in a variety of applications, such as pulleys and sprockets, and are also commonly used for alignment. The method of widening longitudinal slits in a taper bush is described below.
There are 2 types of tapers. The first type is a compression fitting and has a flange or fixed end 17 with 2 longitudinal slits. The longitudinal slits are parallel to the longitudinal axis A and allow a section of diameter to expand under internal force. Using 2 longitudinal slits in a taper bush results in equal outward forces and a balanced system. A single slit would result in uneven outward forces and misalignment of the elements.
Normally, locking holes in taper bushes are partially filled with bolts or screws. However, in some embodiments, locking holes are provided with keyways that are machined into the bush’s parallel bore. A similar-sized key minimizes the effect of the hole on the balance of the bush. Here, a bush is provided with locking holes to facilitate removal of the bush. The present invention addresses these problems by providing a bush with locking holes and a slit that promotes compliance.
While the process of connecting a belt pulley to a drive shaft is seemingly simple, engineers may overlook important aspects. The CZPT Taper-Lock system is popular in time-critical applications, such as industrial pumps or roller chains. These bushes are made of steel or cast iron and feature standardized keyways. As a result, they can be installed without special tools. When choosing a taper nut, be sure to carefully consider the locking holes to avoid the possibility of slipping or damage.
In addition to providing locking holes, the taper nut on the shaft should also be protected by a metal washer. The washer should be durable and rust-free, as these bushes are frequently subject to corrosive environments. If you’re concerned about your safety, be sure to check the instructions. There are many guidelines on how to securely fasten taper bushes. Here are a few tips.
The application of taper bushes has various benefits, including their high precision and durability. These components are manufactured using high-quality cast iron. They also permit the use of unqualified labour to perform tasks. These features enable a wide range of applications. Taper bushes are suitable for all kinds of industries and mechanical components. This article will discuss some of the advantages of using taper bushes in machine tools. This article also discusses the advantages and disadvantages of using taper bushes in machine tools.
Taper bushes are designed to secure machine elements onto cylindrical shafts. Their length is uniform and the flangeless design allows them to provide excellent clamping force. Their design allows for easy installation of sprockets and ensures that they are properly aligned. Moreover, they help in the smooth movement of machine elements. This makes them an excellent choice for high torque applications. Here are some of the most common applications of taper bushes:
The applications of taper bushes include machine tools, agricultural equipment, and mechanical parts. These bushes are available in metric and imperial sizes. They can be made to fit various shaft diameters and bores. As they can be made to fit multiple shaft diameters, they save a great deal of time and money. They have a slit that extends from the inside bore to the outside diameter, which allows them to stretch around the shaft when screwed into a bore. They can also be manufactured with a keyway groove to allow for a keyway.
Clamping bushes are also an option for taper -lock bushes. These bushes enable the accurate fixing of hubs on shafts. Compared to keyways, these bushes are more accurate and fast-fitting. They also don’t cause any axial alignment errors. You can buy a complete range of taper bushes at CZPT. Once you’ve found the 1 you need, contact us.
The cost of taper bushes is comparatively inexpensive compared to other types of shaft attachments. They are pre-machined with the keyway and bore size and include a locking set screw. These are suitable for various applications, including V-pulleys, couplings, and bolt-on hubs. However, if you are looking for the best value for money, you should consider buying them from European suppliers.
Taper bushes are widely used for a variety of applications. Their main benefit is that they are compatible with a variety of shaft diameters and bores. In addition to standard sizes, manufacturers can also manufacture specialized models with larger bores and pilot bores. For example, the Challenge taper bushes are available with 150mm (6.2″) to 200mm (8″) bores and shallower keyways. If you need a shaft with a large bore, you should buy a taper bushes that have a deeper keyway.