Zupper offers high-quality and durable manual crimpig tool designed to get the job done,. For simple stright shots to crimp with conductors with the lugs. Having ZUPPER'S crimping tool on the jobsite is a sure way to make your job faster, safer and easier in any aoolication.
Recently we make a comparison for Zupper manual crimping tool JT-300 and other JT-300 from Chinese company.
Here are results (Part 1)
|JT-300 MADE BY OTHER FACTORY|
|Item||Picture||Technology, workmanship||Picture||Technology, workmanship|
|1. The appearance of the head mechanism is sealed with electroplated matt nickel surface to resist wear.|
2. The handle part has a smooth surface and a slightly slippery feel, but it is a little comfortable.
3. The handle rubber sleeve material is made of PVC, and the shape is ergonomically designed.
4. Use smooth.
1. The appearance of the head mechanism is made of electroplated bright nickel, which is easy to be scratched and scratched.
2. The handle part is sprayed with a matte shape and has a good texture.
3. The handle rubber sleeve is made of PVC material, the shape of the grain is obvious, and the hand feels uncomfortable.
4. The use is slightly stuck.
|2. Active Handle||1. The surface of the inner rod is hard chrome (1) with high surface hardness and wear resistance.|
2. The rear compartment (2) adopts the steel wire spring and the external force bar (inner hole slot) to effectively prevent the inner and outer force bars from coming off. The inner and outer tubes have high precision and high cost.
|1. The surface of the inner rod is plated with decorative chrome (1), which is easy to scratch and easy to wear.|
2. The inner force rod and the external force rod are connected to the limit through the steel wire (2) and the elastic cylindrical pin, and are easy to pull off. The inner and outer tubes are of poor precision and low cost.
|3. Upper die seat||1. The blank is precision forged.|
2. Locking groove (1), circular arc surface (2), cylindrical pin hole (3), key positioning reference plane (4) is completed by one-time clamping processing of CNC machining center, with high precision and smooth surface.
3. The stamper is limited by the special limit mechanism (5), which is safe and reliable, especially to prevent falling off at high altitude.
4. The chamfer(6) is even.
5. The measured hardness is 38HRC.
6. The surface machining knives are obvious and the visual appearance is poor.
1. The blank is completed by a common forging process.
2. The reference surface is not machined and has low precision.
3. The lock groove(1) and the lock have a large clearance.
4. Cylindrical pin hole (2) The wall of the hole is rough and the chamfer is uneven. May be ordinary bench drilling.
5. Parts may be processed in different processes, and the accuracy of parts is poor.
6. The stamper is limited by two pinballs (4), which is easy to be misplaced and fall off (there may be safety hazards when working at height).
7. The measured hardness is 35HRC.
8. After the surface shot blasting treatment, the texture is obvious and better.
|4. Die holder||1. The cold drawn profile has high material density, good strength, wire cutting die positioning groove, and the pinball + positioning pin structure is safe and reliable.|
2. The stamper is limited by the special limit mechanism (2), with high reliability and high precision.
3. The measured hardness is 36HRC.
1. The part is sawn into a block by a profile, milling the end face, and cutting the mold cavity.
2. The stamper is limited by two pinballs (2), which is easy to be misplaced and fall off (there may be safety hazards when working at height).
3. The measured hardness is 40HRC.
4. Surface shot blasting, hardness is better.
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- Comparison of manual crimping tool-JT-300 (Part 2)
- Comparison of manual crimping tool-JT-300 (Part 3)