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C8 C21 Double Layer Roll Forming Machine with High Precision and 350H Steel Frame for Roof Panel Production

C8 C21 Double Layer Roll Forming Machine with High Precision and 350H Steel Frame for Roof Panel Production

Brand Name: HENGFU
MOQ: 1 Piece
Payment Terms: 30% deposit by T/T in advance and 70% balance after inspection confirmation before shipment
Detail Information
Place of Origin:
CHINA
Model NO.:
C8 C21 Double Layer Roll Forming Machine
Certification:
CE, SGS
Customized:
Customized
Tile Type:
Colored Steel
Condition:
New
Usage:
Roof
HS Code:
8474801000
Transmission Method:
Electric
Transmission Mode:
1.2-Inch Hardened Chain
Package Size:
1100.00cm * 130.00cm * 140.00cm
Package Gross Weight:
15000.000kg
Packaging Details:
Plastic Film & Steel Wire Fixed
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Product Description
Advanced C8 C21 Double Layer Roll Forming Machine
Dongguang Hengfu Roll Forming Machine Co., Ltd. delivers the C8-C21 Double Layer Trapezoidal Roll Forming Machine — a versatile, high-efficiency solution engineered to produce two distinct trapezoidal roofing profiles (C8 and C21) on a single, compact production line. Designed with industrial-grade precision and practicality in mind, this machine integrates advanced roll forming technology, robust construction, and intelligent control, offering a cost-effective and space-saving alternative to multiple single-profile machines.
Robust Construction & Precision Engineering
This double-layer machine boasts a heavy-duty 350H steel frame, ensuring exceptional rigidity and stability even during continuous high-speed operation. Equipped with Φ80mm solid main shafts and high-precision forming rollers, it delivers smooth, scratch-free profile forming with accurate dimensions and consistent shape. The 1.2-inch hardened chain transmission ensures stable power delivery, while the quick-switch system allows seamless transition between C8 and C21 profiles, minimizing downtime and maximizing production efficiency.
Versatile Material Processing
Optimized for versatility, the machine processes a wide range of materials including galvanized steel, color-coated steel, and cold-rolled steel, with customizable material thickness and feeding width (1250±5mm) to meet project-specific requirements. It features a fully automatic workflow—from uncoiling and feeding to roll forming and fixed-length cutting—powered by an intelligent PLC control system with a user-friendly touch screen.
Technical Specifications
Model NO C8 C21 Double Layer Trapezoidal Roll Forming Machine
Condition New
Feeding Width 1250±5mm
Machine Frame 350H steel frame
Forming Speed 0-40M/min
Type of Driven 1.2-inch hardened chain
Transmission Method Electric
Number of Rolling Mill Sets Type C8: ≥ 18 pairs; Type C21: ≥ 21 pairs
Spindle Diameter Φ80mm (Solid shaft)
Customized Customized
Product Gallery
Frequently Asked Questions
Is there a leveling device at the material inlet?
It is equipped with a set of leveling rollers to ensure flat feeding and prevent waves or distortion in the sheet material.
Is the electrical system susceptible to moisture damage?
The electrical cabinet features a dust-proof and moisture-resistant design, allowing it to operate normally even within a simple outdoor shelter.
Will the machine scratch the surface coating of the color-coated steel sheets during production?
With precision-ground and polished rollers, combined with a properly designed forming process, the machine will not scratch the sheet surface under normal operating conditions.
Can the machine produce stainless steel sheets? What are the requirements for the equipment?
Yes, it can; however, it requires reinforcing the forming frames, increasing the hardness of the rollers, and adjusting the forming process.
Is it normal for burrs to appear on the cut edges of the sheet metal after cutting?
Minor burrs are normal and acceptable; however, severe burrs are typically caused by a dull cutting blade or improper blade clearance.