Product Description
Hot Forging Customized Bicycle Crank with Blue Anodizing
We can provide you with a variety of steel forgings, just your size or drawings. We are committed to forging, casting and die-casting parts, and we have many overseas customers.
Our products include conveyor chain, crankshaft, gear, ball joint, traction ball, trailer parts, spindle, steering knuckle, wheel hub, nut, etc.
1) Material: carton steel, alloy steel, stainless steel
2) Friction press: 25ton ~ 1000ton
3) Industries involved: agriculture, engineering and automobile
4) Unit weight range: 0.1kg ~ 1000kg
5) Wall thickness requirements: minimum 3mm
| Item name | Chainwheel crank |
| Teeth | 28T 32T 36T 42 48T |
| Crank size | 89mm 114mm 165mm 170mm 175mm |
| Chainwheel thickness | 2.5mm 2.3mm 2.0mm |
| Cotter pin type | cottered or cotterless |
| Carton size | 49x 30x 25cm |
| QTY/C | 30sets/c |
| Payment terms | 30% in advance , the balance should be paid before shipment |
| Date of delivery | 25-30days after receive the deposit |
Specifications:
1. ISO9001:2008.
2.Has advanced euipment and over 15 years experience.
3.price: competetive price , Precision made.Experience & Reasonable QC that you can
reply on.
4. Process: Precision made.Experience & Reasonable QC that you can reply on Each
part would be given 100% test andtryout before shipment.
5. Adequate supply capacity. Punctual delivery time.
Features:
1. ISO9001 Certified.
2. Products Material Standard: ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
3. Product weight range: From 0.05 kg to 500 kg;
4. Main process:
– Manuacture Process: Hot forging, Cold forging, Die forging…etc,
– Further Production Process: Deburring, Sandblasting, Machining, Heat Treatment, Surface treatment, etc.
5. Available software: Pro/E, Auto CAD, Solidwork.
6. 2D & 3D Drawings (Igs, PDF, JPEG, DWG, CAXA, UG, Stp, etc.) could be made and provided based on
the samples.
7. Material Available:
– Carbon Steel: 10#, 15#, 20#, 25#, 30#, 35#, 40#, 45#, 50#, 55#…etc.
– Alloy Steel: 15Mn, 16Mn, 40Cr, 42CrMo…and other alloy steel.
– Stainless Steel: SUS304, SUS316, SUS316L, etc
– Aluminum: 6061 T6, 6063 T6, 2A17
Material specification:
1. carbon & low alloy steel;
2. stainless steel;
3. high alloy & wear resist steel;
4. gray iron; ductile iron;
5. malleable iron;
6. alloyed cast iron;
7. aluminum alloy;
8. cooper alloy;
9. zinc alloy
| Mininum of Quantity | 100 Piece/Pieces |
| Unit Weight | 0.5kg~300kg |
| Price | FOB HangZhou,China,USD1.5~1.9 |
| Packing Details | Paper Box in Wooden Pallet |
| Delivery Time | One month |
| Payment Terms | L/C, T/T |
| Machining | CNC or Machining |
| Supply Capacity | 50 Metric Tons per Month |
| Standard | DIN,ASTM,GOST |
Packaging and after sales:
1: Shrink film + bulk
2: Shrink film + carton + pallet / wooden case
3: PP + wooden case
4: Packaging according to customer requirements or negotiation
5: Take a picture of each order and email it to the customer
6: We track all shipments
7: We will deal with any quality problems at the first time
1. Q: Why choose CZPT product?
A: We CZPT have our own plant HangZhou CZPT machinery Co.,Ltd, therefore, we
can surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
3. Q: Do you provide customized forging products?
A: Yes. Customers give us drawings and specifications, and we will manufacture accordingly.
4. Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
High quality products, reasonable price, prompt delivery, and superior service ensure marketing competitiveness. Our factory has earned high reputation from customers of home and abroad. We are looking forward to cooperating with you to forge a better future!
The Different Types of Splines in a Splined Shaft
A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
Involute splines
Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.
Parallel splines
Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
Serrated splines
A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.
Ball splines
The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
Sector no-go gage
A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.
