C purlin roll forming machines are used to produce C and Z purlins from metal coils. Purlins are structural framing members widely used in metal buildings and roofs. They are manufactured by roll forming mills from galvanized steel, stainless steel or aluminum coils.
C purlin roll forming machine factories design, manufacture and supply such roll forming equipment along with the necessary accessories. Key suppliers are located mainly in China.
This guide provides a comprehensive overview of c purlin roll forming factories covering:
Types of C Purlin Roll Forming Machines
C purlin roll forming machines are available in different configurations and levels of automation. The main types include:
| Machine Type | Description |
|---|---|
| Manual C Purlin Lines | Basic machines for small productions with manual loading/unloading |
| Semi-Automatic C Purlin Lines | Equipped with coil cart for automatic feeding |
| Fully Automatic C Purlin Lines | Automated material handling and cut-off |
| High Speed C Purlin Roll Formers | Output of 30-40 meters/minute |
| Customized C Purlin Roll Forming Machines | Designed for specific purlin sizes and production needs |
Key Considerations When Selecting C Purlin Roll Former Type
The choice of manual, semi-automatic or fully automatic c purlin roll forming machine depends on factors like:
- Production output – Automatic machines have higher output rates of 30-40m/min versus 10-15m/min for manual lines.
- Labor costs – Automatic roll formers require less workers for material handling and offloading.
- Product dimensions – Customized machines needed for specialized purlin sizes and profiles.
- Budget – Initial cost is lower for manual and semi-automatic lines.
- Space available – Fully automatic purlin roll forming machines require more space.
- Power costs – Automated lines consume more electric power.
- Worker safety – Automated material handling reduces manual labor and improves safety.
Careful consideration of these parameters helps select the optimal roll former type for specific production requirements and budgets.
Main Components of C Purlin Roll Lines
C purlin roll forming machines are made up of different sections assembled in line for continuous production:
| Component | Function |
|---|---|
| Decoiler | Holds and rotates the steel coil |
| Feeding system | Feeds coil sheet into roll former |
| Roll forming section | Forms C or Z purlin profile progressively |
| Hydraulic system | Powers the rolling process |
| Punching unit | Punches holes for bolts |
| Cut off | Cuts purlins to length |
| Stacking table | Collects cut purlins |
| Control panel | Controls speed, size changes etc. |
Additional components like punching units, counters, printers etc. can be integrated as per application requirements. Correct configuration of the different sections is crucial for efficient purlin production.
Characteristics of C Purlin Roll Forming Factories
China has emerged as the leading manufacturer of roll forming equipment over the past decades. Key traits of Chinese C purlin roll forming factories:
| Traits | Details |
|---|---|
| Location | Clustered in Guangdong, Jiangsu, Shandong provinces |
| Plant size | From 500 to 50000 sq.m. |
| Employees | 10 to 300 workers |
| Production capacity | 50 to 500 roll formers per year |
| Experience | 5 to 25 years in business |
| Manufacturing | Combination of automated and manual processes |
| Quality control | ISO 9001 and CE certified |
| Testing facilities | R&D lab for machine trials and improvements |
| Design capabilities | In-house engineering team for customized products |
| Manufacturing standards | Follow international specifications and norms |
| Documentation | Available in English and other languages |
| Services | Technical support for installation and maintenance |
Leading Chinese manufacturers have scaled up production with latest technology while maintaining competitive pricing. They focus on product customization and after-sales support to meet diverse buyer needs.
Applications and Uses of C Purlin Roll Forming Machines
C purlin roll forming equipment is widely used for manufacturing framing components in the following applications:
| Application | Purlin Uses |
|---|---|
| Metal buildings | Roofing and wall purlins |
| Steel structure buildings | Structural C purlins |
| Warehouses | Roof purlins |
| Factory sheds | Secondary roof members |
| Aviation hangars | Framing elements |
| Residential buildings | Roof trusses |
| Commercial buildings | Structural purlins |
| Agricultural buildings | Sheds and greenhouses |
The versatile cold-formed sections produced by these machines can meet framing requirements for diverse construction projects.
Specifications and Design Standards
C purlin roll forming machines produce sections as per international specifications:
| Parameter | Specifications |
|---|---|
| Metal thickness | 1.5 to 3 mm |
| Purlin depth | 100 to 300 mm |
| Purlin flange width | 30 to 80 mm |
| Metal type | Galvanized steel, stainless steel, aluminum |
| Steel grade | SGCC, Q235, Q345 etc. |
| Coating | Zinc, color coats |
| Hole punching | Bolt holes as per design |
| Lengths | Up to 12 meters |
| Standards | ASTM A653, EN 10162 etc. |
The dimensions and strengths of the C and Z purlin profiles must conform to local building standards and load requirements. Customized tooling allows manufacturers to produce sections meeting specific standards.
Suppliers and Pricing
There are over 800 manufacturers of C purlin roll forming machines located across China. Indicative pricing:
| Machine Type | Speed (m/min) | Price Range |
|---|---|---|
| Manual | 10-15 | $4000 – $7000 |
| Semi-automatic | 15-25 | $7000 – $12000 |
| Fully-automatic | 25-40 | $15000 – $50000 |
| Customized | max 50 | >$50000 |
Pricing depends on factors like:
- Speed and automation level
- Purlin dimensions
- Production output
- Additional features
- Customization needs
- Quality and precision
Bulk orders usually get discounts up to 20%. Chinese suppliers offer cost-effective solutions customized to buyer specifications.
Installation, Operation and Maintenance
C purlin roll forming machine factories provide the following services:
| Service | Details |
|---|---|
| Installation | On-site machine assembly and setup |
| Training | Operation and maintenance training |
| Documentation | Machine manuals in native language |
| Commissioning | Trial runs to validate performance |
| Warranty | 6-12 months against defects |
| Spare parts | Inventory of wearing components |
| Maintenance | Annual service contracts for upkeep |
| Support | Technical assistance via calls, email, WhatsApp |
| Upgrades | Updates to improve productivity |
| Refurbishing | Full restoration of older machines |
Proper installation, training and maintenance ensures optimal uptime and productivity from the purlin roll formers.
Choosing a Reliable C Purlin Roll Forming Machine Manufacturer
Buyers must evaluate purlin roll former factories in China on the following aspects:
| Parameter | Evaluation Criteria |
|---|---|
| Quality | ISO certified, quality control procedures |
| Experience | Years in business, clientele |
| Manufacturing | Integrated facilities for roll forming machinery |
| Customization | Ability to design purlin tooling for specific profiles |
| Service | Installation, maintenance and tech support |
| Pricing | Reasonable rates for features and quality |
| Documentation | Catalogs, manuals in native languages |
| Reliability | Proven ability to deliver machines on time |
| Communication | Language fluency, responsiveness |
Chinese manufacturers that score well on the above parameters deliver the best ROI along with smooth order completion assurance.
Pros and Cons of C Purlin Roll Forming Machines
| Pros | Cons |
|---|---|
| High production speeds up to 40 m/min | Higher initial cost of automatic lines |
| Labor cost reduction with automated material handling | Need more space for fully automated machines |
| Flexible production of various purlin sizes | Fixed tooling limits profile changes |
| Lower wastage | Requires skilled technicians for specialized maintenance |
| Consistent and rapid production | Limited size range compared to press brakes |
| Lower power consumption than press brakes | Not ideal for low volume production |
| Safer working than manual bending | Set-up time needed for production changes |
C purlin roll forming machines boost efficiency and flexibility in purlin manufacturing. Limitations can be overcome through proper machine selection and operational best practices.
FAQ
| Q | A |
|---|---|
| What is the process of purlin roll forming? | Metal sheet from a coil is gradually bent by consecutive roll forming stands into a C or Z section. |
| What metals can be used for purlin production? | Galvanized steel, stainless steel and aluminum coils. |
| What are the benefits of purlin roll forming? | High speeds, flexible production, reduced labor, lower power consumption. |
| How to choose the best purlin roll forming machine factory? | Evaluate quality, customization capability, pricing, and services like support. |
| What is the cost of a c purlin roll forming machine? | $4000 to $50000 depending on automation level and output speeds. |
| How to maintain c purlin roll formers? | Regular lubrication, cleaning, inspection and replacement of wear parts. |
| What are purlins used for? | Framing supports in metal buildings, roofs, walls etc. |
| How are purlins different from C channels? | Purlins have additional folds and ribs for strength. |
| What factors affect purlin roll forming machine prices? | Speed, automation level, production output, customization needs etc. |
| How to increase production output from c purlin roll formers? | Choose higher speed machines, use correct tooling, proper maintenance. |
Conclusion
C purlin roll forming machines offer an efficient way to produce cold formed framing sections for metal building construction. Chinese manufacturers provide such roll former lines customized to diverse specifications and production needs.
Careful selection of automated versus manual equipment, reputed suppliers, proper installation and maintenance will result in cost-effective and high speed purlin manufacturing with these machines.
