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Cenwan CW-G Series
High-Speed Crash Lock Bottom Folder Gluer Machine
Cenwan’s CW-G automatic crash lock bottom folder gluer runs at 400 m/min on 180-800 gsm paperboard, ships FOB Ningbo in 30 working days, and backs every deployment with a 40+ country spare-parts network.
Max Box Gluing Speed
Paper Thickness Range
FOB Ningbo Delivery
Spare-Parts Network
Why Production Lines Stall on Crash Lock Bottom Orders
A crash lock bottom folder gluer handles cardboard blanks with auto-lock bottom flaps — the box forming stage where pre-fold, glue application, and carton handling all collide inside one gluing machine. Five production failures define this equipment category, and each one gets worse as volume climbs past 50,000 cartons per shift.
Changeover Lag
Tuning a folder gluer feels closer to craftsmanship than automation — cranking the speed dial rarely increases real throughput.
Speed Ceiling
Quality control breaks down above 250 m/min when inspection and interlock detection cannot keep pace with the feeder.
Paper Range Limits
Many machines handle 210-800 gsm only — thin 180 gsm pharma cartons slip or double-feed, causing downstream jams.
Glue Stability
“A half-folded box here, badly glued boxes there, cartons torn apart” — the IMPACK operational pattern every plant recognizes.
After-Sales Latency
Spare parts stranded in Europe. Service engineers six time zones away. One bearing jam becomes a three-week production loss.
Cenwan’s CW-G equipment answers these five failures with one operating principle: 400 m/min throughput over the full 180-800 gsm paper range, without the craftsmanship tax. Siemens PLC control, NITTA belt feeding, and an integrated steel base keep the line running in 40+ countries, backed by local parts and remote engineer support.
CW-G Series Models and Selection Matrix
Crash Lock Bottom Folder Gluer Machine Configuration Options
Six CW-G models cover three machine widths in both 2-fold and 4-fold geometries. All models share the same drive train, servo paper feed, and NSK bearing assembly — box width and fold complexity are the only variables. This is packaging machinery built for a 10-year production horizon, not a single product generation.
CW-G-650PC
- Box width 130-650 mm
- Dimension 15×1.35×1.65 m
- Weight 5.1 T
- Power 13.5 kW
CW-G-880PC
- Box width 140-880 mm
- Dimension 15×1.55×1.65 m
- Weight 5.4 T
- Power 13.5 kW
CW-G-1100PC
- Box width 140-880 mm
- Dimension 15×1.77×1.65 m
- Weight 5.6 T
- Power 13.5 kW
CW-G-650PC
- Box width 130-650 mm
- Dimension 17.5×1.35×1.65 m
- Weight 5.1 T
- Power 13.5 kW
CW-G-880PC
- Box width 140-880 mm
- Dimension 17.5×1.55×1.65 m
- Weight 5.4 T
- Power 13.5 kW
CW-G-1100PC
- Box width 140-880 mm
- Dimension 17.5×1.77×1.65 m
- Weight 5.6 T
- Power 13.5 kW
Universal Specification
| Max box gluing speed | 400 m/min |
|---|---|
| Applicable paper | Cardboard, 180-800 gsm |
| Feeding | Automatic continuous feeding |
| Glue type | White latex (cold glue; spray optional) |
| Air pressure | 6 Bar |
| Drive belts | Optibelt-RB multi-V belt, low-noise |
Decision Matrix
Siemens PLCs drive the main motor and Inovance servos handle the paper feed — part-level transparency is covered in the Authority Components section below. Cenwan CW-G integrates into existing automatic folder gluer machine layouts through matched Siemens PLC protocols, so line controls rarely need a retrofit. That same integration advantage scales CW-G from single-machine drop-in to a full packaging line role.
CW-G Speed Benchmark vs Industry Top 5
| Machine / Source | Max Speed | Paper Range | SERP Position |
|---|---|---|---|
| Cenwan CW-G (all 6 models) | 400 m/min | 180-800 gsm | — (this page) |
| foldinggluing GK-CB | 220 m/min | 210-800 gsm | R1 |
| Lamina CLG | 75 m/min | not stated | R3 |
| Changs GDHH | not stated | not stated | R5 |
| Industry Top 5 average | 150-250 m/min | varies | — |
Cenwan CW-G sits in the same top-tier 400 m/min bracket as Heidelberg and Shinko — this is not a solo claim but an industry-available benchmark. What differentiates CW-G is the wider 180-800 gsm paper range (vs GK-CB’s 210-800), the full Siemens-Inovance-NSK-NITTA component stack, and the China-sourced price position.
Where CW-G operational efficiency compounds is the 180 gsm lower bound: pharma cartons that force competitors down to 250 m/min keep CW-G at its full 400 m/min throughput. Extended conveyor runs and hexagonal drive shafts together remove the fold-axis drift that usually throttles speed on thin stock — this is the same failure mode that drives downtime on conventional folder gluers.
CW-G for Your Industry
Cenwan CW-G Series units run in food, pharmaceutical, cosmetic, stationery, and express-logistics packaging lines in over 40 countries. Crash lock bottom boxes dominate where fast changeover and self-locking bottom integrity matter more than custom branding depth. Each industry card below lists the paper grade band and recommended CW-G model — start from your dominant box style, not from the machine spec sheet.
Food & Beverage
180-400 gsm · frozen meals, bakery, cereals
Hygiene-compliant white latex and servo-controlled feed match short bakery runs and high-cadence frozen meal packaging industries.
Pharmaceutical
200-350 gsm · OTC cartons, blister outer
The 180 gsm lower bound handles thin pharma folding carton stock where competitors double-feed. Extended conveyor holds box forming integrity for batch-coded cartons.
Cosmetics
250-500 gsm · premium unit cartons
Multi-V drive belt smoothness protects embossed and foil-stamped cosmetic finishes. Quick tool swap supports frequent SKU changes common in premium beauty lines.
Express Logistics
400-800 gsm · mailers, e-commerce
Heavy-duty thickened steel plate absorbs the volume peaks of express packaging without fold-axis drift. Interlocking base box and corrugated box formats run clean at sustained throughput — a fit for both mailer cartons and heavier shipping cases.
| Industry | Typical Daily Output | Paper Grade | Recommended CW-G |
|---|---|---|---|
| Pharma OTC | 180-250 K boxes/day | 200-350 gsm | 650PC 2-Fold |
| E-commerce mailer | 300-450 K boxes/day | 400-700 gsm | 880PC 2-Fold |
| Mixed SKU cosmetic | 80-150 K boxes/day | 250-500 gsm | 880PC 4-Fold |
| Heavy logistics | 400+ K boxes/day | 500-800 gsm | 1100PC 4-Fold |
Authority Components and Build Quality
Siemens
Main motor + PLC + frequency converter
NSK
Bearings — shrink-fit assembly
NITTA
Feeder + operate belt
Schneider
Low-voltage apparatus
Omron
Optoelectronic switch + relay
Inovance
Servo motor — paper feed drive
Optibelt-RB
Multi-V drive belts
Air-TAC
Pneumatic cylinder
Core Build Engineering
Adhesive handling is engineered to the same authority standard. A default white-latex circuit covers cold-glue and cold-paste applications on cardboard; the optional Spray Glue System adds four independent paste-control channels for high-gloss coated stock where film penetration matters.
We tested the shrink-fit NSK assembly against three alternative bearing geometries before locking the CW-G spec — it was the only one that held fold-axis concentricity after 2,000 hours of 400 m/min continuous run.
Manufacturing Facility & Global Reach
Procurement — Price, Delivery, Warranty, Support
Delivery
30 working days
From 50% T/T deposit receipt, FOB Ningbo. Wooden plate and wrapping film packing included.
Price Position
Quote on RFQ
FOB Ningbo Port, quote valid 10 days. China-sourced price typically 20-40% below European equivalents.
Payment
50% / 50%
50% T/T deposit + 50% T/T one week before shipment.
Warranty
1 yr + lifelong
1-year parts warranty + lifelong after-sales service on the full CW-G platform.
Spare Parts
40+ countries
Regional parts network; spare parts cost 50-70% below European equivalents.
Installation
On-site option
On-site engineer dispatch or remote multilingual commissioning available on request.
Buying direct from the folder gluer manufacturer removes the two-step distributor markup common in European supply chains. For a fuller view of Chinese vs European supplier economics — warranty length, delivery lead time, parts pricing, and after-sales response windows.
CW-G Engineering & Procurement Tools
Data-driven configuration and financial modeling tools built for packaging plant managers and procurement teams. Access live metrics below.
CW-G Model Selector
Input your max box width, paper grade, and daily volume to generate a precise 2-fold or 4-fold configuration match. Eliminate guesswork from your machine sizing.
CW-G TCO Calculator
Compare upfront capital expenditure and 5-year spare parts costs against European equivalents. Map your total cost of ownership before initiating a purchase order.
Buying Questions About CW-G
180-800 gsm cardboard across six models. Box width covers 130-650 mm on the 650PC, and 140-880 mm on the 880PC and 1100PC. The 2-fold variant suits straight geometry; the 4-fold variant handles complex crash lock bottom patterns. This automatic folder gluer range covers every standard configuration from pharma micro-cartons to 800 gsm heavy e-commerce mailers.
CW-G targets cardboard crash-lock-bottom box forming at 400 m/min. The Full Servo Lock Bottom machine targets corrugated board with different belt tension and fold-axis spacing. Choose by application, not by preference.
Maximum CW-G speed is 400 m/min — top-tier alongside Heidelberg FB II and Shinko. Faster than foldinggluing GK-CB (220 m/min) and Lamina CLG (75 m/min) per scraped competitor specs. This advantage — matching top-tier speed at China price — drives most CW-G procurement decisions.
Siemens main motor, PLC, and frequency converter; NSK bearings; NITTA feeder and operate belt; Schneider low-voltage apparatus; Omron switches and relays; Inovance servo motor; Optibelt-RB drive belts; Air-TAC pneumatic cylinder.
CW-G meets CE and ISO export standards in line with China-to-Europe industry norms — request the full compliance documentation with your quote. Warranty is 1 year on parts plus lifelong after-sales service, backed by the 40+ country spare-parts network.
30 working days after 50% T/T deposit receipt, FOB Ningbo Port. Packing is wooden plate plus wrapping film. Quote validity runs 10 days from issuance.
Yes. The modular design slots into print + die-cut + folder gluer + packer layouts. For turnkey packaging lines, Cenwan also offers a Fully Automatic Dual-Channel Integrated Die-Cutting and Gluing Line.
White latex cold glue ships standard. The optional Spray Glue System adds four control channels, and optional plasma surface treatment is available for high-gloss or coated cardboard box stock.




