Rubber Screw Cylinder with Heaters

  • Model NO.: customize
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Trademark: ZHONGYANG
  • Origin: China
  • Screw: Single-Screw
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
Specification:
Screw Diameter: D15-D300
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

Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Features  of CNC bearing roller grinder Machining
1. The  roller Bearing Grinding line is used with world lead techniques, such as the SBS self adoption control system, quick approach and prevent impact, etc. All the control system and machine tools used are from internationally famous brands, thus having the features of high precision, high efficiency and long lifetime.
2. The roller bearing grinding line has the function of choosing technical data based on grind cuts self adoption control. It has size error feedback and can be adjusted by itself. It has an automatic alarm when grinding wheel is not in a good position. The roller bearing grinding line features piece dimension and tolerance automatic stop. 
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