ER Collets Set ER Collet Set,Spring Collet Set,Spring Collets Sets,ER Collets Sets SISHUI TELI TOOL CO.,LTD. , https://www.er-collets.com
Extruder Single Screw and Barrel
Specification:
Screw Diameter: Φ 15- Φ 300
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and vented type, etc.
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm: 3mm
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacture, we will be the best choice.
Brief introduction
ER Collet Set , also known as spring collet, is mounted on a drill \ milling machine, drilling and milling chuck, its function is to clamp drill cutter or knife. Er flexible collet is currently the most used. Its stable performance, high accuracy by the majority of manufacturers trust. All products are precision grinding, in line with the German DIN 6499 specifications precision manufacturing.
specification
1. Material: 65Mn alloy spring steel
2. Hardness: HRC45-48
3. Standard: DIN 6499B
4. Concentricity: runout less than 0.008 mm
5. Monthly capacity: 30,000 pcs
Milling chucks are the main accessory for holding a cylindrical cutting tool, mainly used for various drilling machines, milling machines and lathes.
Products advantages:
1. high temperature treatment, hardness uniformity.
2. full bright appearance, good elasticity
3. precision stability, durable and not easy
4. Accuracy: made in 65 mn numerical control handle, have higher service life.