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HRC58-60 Hardness Haul-off Rollers with Hard Chrome Plating for 5-10 Year Service Life in PP Strapping Lines
HRC58-60 Hardness Haul-off Rollers with Hard Chrome Plating for 5-10 Year Service Life in PP Strapping Lines
Specifications
Brand Name :
CHUQI
Model Number :
CQ-SPP120-6
Place of Origin :
CHINA
MOQ :
1SET
Payment Terms :
T/T
Supply Ability :
10SETS
Delivery Time :
60DAYS
Packaging Details :
WOODEN BOX
Substrate :
Alloy steel
Treatment :
Hard chrome plating
Hardness :
HRC58-60
Diameter :
φ268mm
Face width :
450mm
Service life :
5-10 years
Description
Robust Construction & Chrome Rollers – PP Strapping Extrusion Line
Product Introduction

Haul-off rollers are among the components that have the most frequent contact with PP tape and suffer the greatest wear. All rollers in the haul-off units (low-speed three-roller, high-speed five-roller, high-speed three-roller) of this production line are made of high-quality alloy steel substrate, precision ground and then hard chrome-plated, achieving a final hardness of HRC58-60.

This hard chrome layer offers extremely high wear resistance, excellent corrosion resistance, and a very low coefficient of friction. It can withstand long-term abrasion from PP tape, keeping the roller surface smooth as new, thereby ensuring stable traction force, preventing product scratching, and significantly extending roller service life, dramatically reducing maintenance frequency and spare parts costs.

Main Specifications
  • Roller substrate: High-quality alloy steel
  • Surface treatment: Hard chrome plating + precision grinding/polishing
  • Surface hardness: HRC 58-60
  • Roller diameter: φ268mm (haul-off rollers)
  • Face width: 450mm
  • Applicable units: Low-speed 3-roller, high-speed 5-roller, high-speed 3-roller, etc.
Technical Parameters
Item Parameter
Substrate material High-quality alloy steel
Surface treatment Hard chrome + mirror polishing
Surface hardness HRC 58 - 60
Roller diameter φ268 mm
Face width 450 mm
Coating thickness ≥ 0.05 mm
Surface roughness Ra ≤ 0.2 μm
Customer Q&A
Q: How high is HRC58-60 hardness? How much more durable than ordinary stainless steel rollers?
A: Ordinary stainless steel rollers have a hardness of about HRC20-30. HRC58-60 is equivalent to hardened tool steel, providing several to ten times greater wear resistance than stainless steel. Under normal PP production conditions, chrome-plated rollers can last 5-10 years.
Q: Can the chrome plating peel off?
A: With high-quality plating process, the adhesion is strong and it will not peel off under normal use. However, impact from sharp hard objects should be avoided. Minor scratches do not affect function; deep scratches require factory repair.
Q: Do chrome-plated rollers require special maintenance?
A: No. Daily wiping with a soft cloth to remove oil and hard particles is sufficient. The low friction coefficient and smooth surface inherently resist adhesion of foreign matter.
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HRC58-60 Hardness Haul-off Rollers with Hard Chrome Plating for 5-10 Year Service Life in PP Strapping Lines

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Product Detail
Brand Name :
CHUQI
Model Number :
CQ-SPP120-6
Place of Origin :
CHINA
MOQ :
1SET
Payment Terms :
T/T
Supply Ability :
10SETS
Contact Supplier
HRC58-60 Hardness Haul-off Rollers with Hard Chrome Plating for 5-10 Year Service Life in PP Strapping Lines

Jiaxing Chuanqi Machinery Equipment Co., Ltd.

Verified Supplier
3 Years
zhejiang, jiaxing
Since 2012
Business Type :
Manufacturer
Main Products :
PET Strap Winder, PP Strap Winder, Paper Strapping Production Line
Total Annual :
5000000-8000000
Employee Number :
50~60
Certification Level :
Verified Supplier
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