In recent years, the high requirements for driving comfort and handling of automobiles have determined the high demands for automobile coupling transmission, especially for the precision of the coupling and coordination between various transmission components, and the design accuracy of related parts has also been correspondingly improved.
Our hard alloy puller leaves a certain amount of space for soft cutting before heating, and uses a hard alloy puller to perform high-speed cutting and finishing on the workpiece after heating, avoiding deformation caused by heat treatment after cutting.
product structure
The hard alloy spline puller adopts an assembled structure, with the cutting part made of hard alloy material and designed in a sleeve style. The tool holder is made of ordinary alloy steel material, which solves the problem of easy breakage of the hard alloy integral structure puller and greatly reduces the cost of tool materials, thus achieving a high-speed cutting process of 60m/min.
Based on the size of the part aperture, two different assembly structures, front mounted and rear mounted, are designed to ensure the effective strength of the tool holder handle. Currently, our company can process parts with a minimum diameter of 20mm (minimum tool holder diameter of 12mm), a maximum diameter of 70mm, and a minimum module of 0.5.
Technical Features
Reasonably set the part cutting allowance and the tooth lift of the cutting tool to ensure the length of the hard alloy sleeve. The current sleeve length is generally 200mm or 250mm.
Suitable grades of hard alloy materials are used for different working conditions to ensure tool life and surface quality of parts processing. The roughness of the pulled tooth surface can reach RA0.4.
Adopting a staggered arrangement of spline, large diameter, and small diameter cutting function teeth, the three are processed and formed simultaneously, ensuring a high degree of coaxiality among them. The spline tooth side of the puller is a forming type of hobbing, ensuring that the precision of the internal spline machining of the part is higher than level 4.
Independently design and manufacture assembly accessories to ensure tight tool assembly, prevent tool loosening during high-speed cutting, avoid unqualified machining of parts, and even tool damage. At the same time, these components are convenient for adjusting the overall jumping of the cutting tool.
This article is supported by "Yiban Editor" with technical expertise
We can provide customers with a complete set of products including puller rods and carbide spline puller blades. The design, manufacturing, and trial cutting cycle for carbide puller blades is 30-60 days;
We have imported high-speed lathes available for trial cutting of hard alloy cutters, as well as small-scale production on behalf of customers.
duration
Pulling knife lifespan
Reference Table for the Service Life of Hard Alloy Pulling Tools for Different Grinding Requirements (Only Install a Single Blade Sleeve, Pulling Length 30mm)
Hard alloy knives are generally polished 4-6 times.
For rear mounted hard alloy cutting tools, the hard alloy cutting tool set that has been used beyond the lower limit of the size can be installed in front, and a new hard alloy cutting tool set can be installed at the replacement set position. The new hard alloy cutting tool set will reduce wear through the used tool set and have a positive impact on the cutting results