Mirror Roller

mirror roll is a precision roller whose working surface is machined to an extremely smooth and glossy finish, with surface roughness (Ra value) generally reaching 0.01 µm, delivering a mirror-like surface effect. Its core function is to transfer this mirror-smooth finish onto the surface of processed materials via high temperature, high pressure, or a combination of both.

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Mirror Roll

Material

High-quality seamless 45# steel tube, precision forged alloy steel tube

Structure

Custom designs with various flow channel or jacket types

Processing

Precision grinding with 3M abrasives from the United States; sophisticated heat treatment procedures including quenching, tempering and multi-stage stress relief; Heef-25 high-efficiency micro-crack hard chrome electroplating

Precision Parameters

Surface roughness: Ra 0.005 (surface finish grade ≥14)
Temperature difference for heating & cooling: ±1°C
Thermal deformation: ≤0.01 mm
Straightness: ≤0.005 mm
Radial runout: ≤0.005 mm
Coaxiality: ≤0.005 mm
Base material surface hardness: HRC 55–58
Hardness after chrome plating & polishing: HV1000 (HRC 62)

Application

Suitable for matting and calendering surface treatment of plastic sheets, flakes & films made of PMMA, PC, PET, PP, PT, PE, ABS, PVC, as well as leather and paper manufacturing industries.

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