China CZ purlin roll forming machines are used to produce C and Z type purlins from metal coil. Purlins are structural C or Z shaped members used in metal buildings and roofing systems. This guide provides a comprehensive overview of China CZ purlin roll former equipment.
Overview of China CZ Purlin Roll Forming Machine
China CZ purlin roll forming machines take flat metal coil stock and form it into C and Z shaped purlins through a series of progressive roll forming stands. Key details:
- Equipment type: CZ purlin roll former
- Materials processed: Carbon steel, galvanized steel, aluminum, other metals
- Product types: C and Z purlins, gutters, panels
- Production process: Roll forming
- Automation: Automatic operation with PLC control
- Capacity: Up to 16 tons/hour
- Roll forming stands: Typically 15-25 stands
- Forming stages: Decoiling, feeding, pre-breaking, rolling, cutting
- Key components: Decoiler, feeder, roll stands, hydraulic system, PLC control
China manufacturers offer competitively priced CZ purlin roll forming lines with high quality components and layout customization options. Typical line layout includes decoiler, feeder, pre-breaker, main roll forming stands, hydraulic power system, and programmable logic controller.
Applications of China CZ Purlin Roll Forming Machine
China CZ purlin roll forming equipment is used to produce:
- C and Z type cold formed steel purlins up to 600 mm wide
- C and Z girts
- Wall panels
- Roofing panels
- Steel decking
- Cladding support systems
- Structural channels and beams
- Special architectural profiles
Purlins, girts and panels made on these machines are used in industrial, commercial and agricultural building construction. Custom profiles are used in special architectural metal structures.
Specifications of China CZ Purlin Roll Former
Typical technical specifications of Chinese CZ purlin roll forming machines:
| Specification | Details |
|---|---|
| Production Speed | 10-16 m/min |
| Forming Stands | 15-25 stands |
| Forming Rolls | 110-150 mm diameter |
| Roll Shaft Size | Φ35-Φ45 mm |
| Roll Material | GCr15, induction hardened to HRC55-58 |
| Decoiler Capacity | 5-8 tons |
| Decoiler Mandrel Φ | Φ50-Φ76 mm |
| Feeding Guides | UHMW polyethylene |
| Punching Force | 160-250 tons |
| Cutting Length | 6-12 m |
| Cutting Accuracy | ±1.0 mm |
| Power Supply | 380V, 50Hz, 3 Phase |
| Motor Power | 5.5-11 kW |
| Machine Weight | 15-50 tons |
| Working Oil | ISOVG32 or ISOVG46 |
These specifications can be customized as per required purlin dimensions, production speed, and production standards followed.
Design and Engineering Standards for CZ Purlin Roll Former
China CZ purlin roll forming machines are designed as per international standards:
- AISI S100 – North American Specification for the Design of Cold-Formed Steel Structural Members
- EN 1993-1-3 – Eurocode 3 Design of Steel Structures
- AS/NZS 4600 – Australian/New Zealand Standard – Cold-formed steel structures
- IS 801 – Indian Standard code of practice for Cold-Formed Light Gauge Steel Structural Members
- GB 50018 – Chinese National Standard for Technical Code of Cold-Formed Thin-wall Steel Structures
Roll tooling is designed based on profile specifications like depth, width, radii, angles, pitch, etc. Machines can produce common purlin dimensions or custom profiles.
Type of CZ Purlin Roll Forming Machines from China
| Machine Type | Description |
|---|---|
| All Electric | Powered completely by servo motors and drives, no hydraulics |
| Semi-Electric, Semi-Hydraulic | Hybrid using servos for decoiler and hydraulics for other sections |
| Fully Hydraulic | Uses hydraulic power pack and cylinders/rams |
| Fixed Speed | Single speed gearbox drive |
| Variable Speed | AC vector drive for speed control |
| Manual Cutoff | Uses manual cutting torch |
| Automatic Cutoff | PLC controlled oxyfuel, plasma, laser cutting |
Benefits: Electric roll formers offer accuracy, speed and flexibility. Hydraulic machines have high forming force capacity. China manufactures offer all configurations based on budgets and production needs.
Components of China CZ Purlin Roll Forming Line
| Machine Section | Components Used |
|---|---|
| Decoiling | Hydraulic powered decoiler with leveler, wrapper, mandrel, guides |
| Feeding | Straightening feeds, pinch rolls, servo feeder |
| Pre-breaking | Pyramid type with top and bottom rolls |
| Roll Forming | 3 or 5 roll forming stations with forming, sizing and finishing rolls |
| Cutoff | Hydraulic shear, servo shear, oxy-fuel, plasma |
| Hoisting | Roller conveyor, power lift table, exit tables |
| Controls | PLC control panel, HMI touchscreen |
China manufacturers use quality components from European and domestic brands to optimize performance and cost.
Suppliers and Pricing of China CZ Purlin Roll Forming Machine
| Supplier | Location | Price Range |
|---|---|---|
| Foshan YSD Roll Forming Machine Co | Foshan, Guangdong | $30,000 – $180,000 |
| BOTOU Xiancheng Roll Forming Machine Factory | Botou, Hebei | $35,000 – $215,000 |
| Jiangsu New Senfeng Roll Forming Machine Co | Danyang, Jiangsu | $25,000 – $135,000 |
| Wuxi Core Integrated Technology Co | Wuxi, Jiangsu | $45,000 – $250,000 |
| Hangzhou Univent Machinery & Equipment Co | Hangzhou, Zhejiang | $40,000 – $220,000 |
Price range depends on speed, capacity, automation features, and optional accessories. Get multiple quotes to compare price and machine capabilities.
Installation of CZ Purlin Roll Forming Equipment
- Floor space required – 30-120 m2
- Level concrete floor – flatness tolerance ±2 mm
- Anchor bolt layout – per manufacturer drawings
- Power supply wiring to control panel
- Hydraulic oil tanks mounting (if hydraulic machine)
- Decoiler mounting and coil loading
- Entry guide and exit table positioning
- Trial run checks – test coiling, forming and cutting
Proper leveling, anchoring, alignment and trialing improves performance and life of purlin roll forming line.
Operation and Working of CZ Purlin Roll Former
- Load leveled coil on powered decoiler mandrel
- Set forming depth on pyramid rolls
- Adjust forming rolls gap as per material thickness
- Set feed speed, cutoff length on control panel
- Start decoiler to feed metal strip through roll stands
- Profile is gradually formed through each stand
- End cutoff shears purlin to length
- Formed purlins discharge onto exit tables
- Monitor process, do test checks during operation
- Oil hydraulic system regularly
2-3 workers needed to operate the line – decoiler, forming, cutoff end.
Maintenance of China CZ Purlin Roll Forming Machine
| Activity | Frequency |
|---|---|
| Inspect roll bearings | Monthly |
| Check roll surface wear | Monthly |
| Verify forming depth | Weekly |
| Monitor cut quality | Daily |
| Test hydraulic system | Quarterly |
| Adjust roll gap | As needed |
| Lubricate slides, gears | Quarterly |
| Clean machine debris | Weekly |
| Check electrical wiring | Yearly |
Schedule regular maintenance to minimize downtime. Replace worn parts like bearings, gears timely.
How to Choose a China CZ Purlin Roll Forming Machine Supplier
| Consideration | Details |
|---|---|
| Experience | Number of years supplying such machines |
| Production Capabilities | Speed, size range, automation features |
| Line Components | Use of quality European/domestic brands |
| Customization Offered | For special profiles, standards, performance specs |
| Design Support | Profile drawings, roll design, tooling review |
| Factory Audit | Visit supplier site to inspect manufacturing facility |
| Testing Facilities | In-house and third party testing for standards compliance |
| Documentation | Catalogs, operating manual, spare parts list, engineering drawings |
| Training Provided | Machine operation and maintenance training |
| Warranty and Support | Minimum 1 year; also check post-sales service record |
| Pricing | Get quotes from multiple suppliers for comparison |
Select reputed manufacturer who meets your specifications, quality standards, and pricing.
Comparison of China CZ Purlin Roll Forming Machine Types
| Machine Type | Advantages | Limitations |
|---|---|---|
| All Electric | High precision, speed, low maintenance | Higher cost, not for heavy gauge rolling |
| Semi Electric, Semi Hydraulic | Versatility for thick and thin gauges | Complexity of dual systems |
| Fully Hydraulic | Heavy duty, high force capacity | Lower speed, accuracy |
| Fixed Speed | Lower cost, simple operation | Lacks speed adjustability |
| Variable Speed | Flexibility, better process control | Additional cost for drives |
| Manual Cutoff | Lower cost solution | Slow process, safety concerns |
| Automatic Cutoff | Consistent quality, faster, safer | Additional cost of automation |
Select machine type based on budgets, production needs and operator skill level.
Pros and Cons of China CZ Purlin Roll Forming Machines
| Advantages | Disadvantages |
|---|---|
| Cost effective solution | Requires skilled technicians for special profiles |
| High production speeds | Large floor space requirement |
| Flexible for variety of profiles | Significant initial investment |
| Low operational costs | Long lead times – around 120 days |
| Easy to operate and maintain | Manual adjustments needed for specification changes |
| Consistent quality after setup | Limited size range, up to 600 mm web |
| Long service life, up to 15 years | Significant maintenance for intensive use |
China CZ purlin roll formers offer excellent value but require planned maintenance.
Frequently Asked Questions About CZ Purlin Roll Forming Machine
Q: What is the typical production speed for China CZ purlin roll forming machines?
A: Production speeds range from 10-16 meters per minute depending on number of passes, material thickness, and machine horsepower.
Q: What are the typical metal thicknesses that can be formed?
A: Machines can handle metal thickness from 0.3 mm to 3.0 mm. Thicker gauges may require bigger motors and reduction gearing.
Q: How long does it take to changeover to a new purlin profile?
A: Roll changeover takes around 4-6 hours for an experienced technician to change roll shafts and gap settings. Quick change tooling can reduce this timeframe.
Q: What automation features are typically available?
A: Features like motorized decoiler, servo feeding, automatic length control, PLC programming make the process automatic. Options like automated bundle stacking further improve productivity.
Q: What kind of documentation do suppliers provide?
A: Suppliers should provide catalogues, 2D/3D drawings, equipment manuals, electrical diagrams, and mill test reports for rolls and structures.
Q: Is operator training provided by the equipment supplier?
A: Reputable China manufacturers provide free training to customer staff on machine operations, maintenance and safety procedures.
Q: What is the typical warranty offered on new machines?
A: Most suppliers offer a minimum 1 year warranty on manufacturing defects. Wear parts like bearings, gears may be excluded or have shorter warranty periods.
Q: What are the key maintenance best practices?
A: Regular cleaning, lubrication, inspection of components. Checking alignment, hydraulics, electricals. Replacing wear items promptly. Following recommended procedures.
Q: What safety equipment should be used when operating the machine?
A: Operators should use cut resistant gloves, steel toe shoes, ear plugs and other PPE like glasses to minimize injury risk.
Conclusion
China CZ purlin roll forming machines provide an efficient and cost-effective solution for producing cold formed C and Z purlins up to 600 mm width. These automated lines enable mass production of light gauge purlins used extensively in metal buildings and roofing structures. With attention to quality components, preventive maintenance and safe working practices, China manufacturers offer purlin roll formers that deliver high productivity with low operating costs.