Screw Tip Set with Tool Steel Material and Coating

Screw Tip Set with Tool Steel Material and Coating

Utilizing the most advanced technology in both design and manufacturing process, we manufacture wide range of different types screw tips to meet the needs of today's injection molders.

Screw tip with tool steel material

All three components of the P-700 screw tip are manufactured from H-13 or SKD61 tool steel that is heattreated to the maximum safe Rockwell hardness, based on the valve geometry that will range from 52 to 59. The components are ion nitride surface hardened for added wear protection. Nitriding provides a case hardness of up to 70 Rockwell with a case depth up to .015" per side.

Recommended for use on shear or compression sensitive materials, general purpose materials and "limited run time" filled materials. Use on highly fiber filled materials will maintain fiber integrity and result in higher tensile strengths in the molded part; however, faster wear of the valve may

be experienced.

Technical Parameters

The outer diameter: 15mm≤d≤300mm

Material: SKD61, H-13

Process: quenching + ion nitriding, coating

Finish ：Ra≤0.4

Thickness of Chrome plating layer: 0.03-0.05mm

Thickness of PVD TiN layer: 0.03-0.05mm

Alloy hardness: HRC60-65

Thickness of alloy layer: 1.5-2mm

 

 

 

 

 

 

 

 

 

 

 

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