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HOME >> PRODUCTS >>Transformer Auxiliary Processing >> CZJ-700 DDP Layer Insulation Folding Machine for Transformer (4+1 Layer, 160-700mm)
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CZJ-700 DDP Layer Insulation Folding Machine for Transformer (4+1 Layer, 160-700mm)

Elevate your transformer manufacturing with the CZJ-700 DDP Layer Insulation Folding Machine. This fully integrated system handles uncoiling, guiding, pinhole forming, multi-layer folding (4+1 bottom layer), pressing, towing, and rewinding in one continuous process. Engineered for insulation paper (0.11-0.17mm thick, up to 700mm wide), it ensures precise 7/10mm fold widths at variable speeds (0-20m/min). With 8 tools (Φ84mm O.D.) and 1.1kW power, it’s a space-saving (4500×2000×1100mm), high-performance solution for transformer layer insulation. Backed by YIBO’s 23+ years of expertise, ISO/CE certifications, and global service.

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Description

1. Core Features & Advantages

① Continuous Integrated Process

Combines uncoiling, guiding, pinhole forming, folding channel, pressing, towing, and rewinding devices for seamless production.

② Precision Multi-Layer Folding

Achieves 4+1 layers (bottom layer) with 7/10mm fold widths. Handles insulation paper thickness 0.11-0.17mm, coil width 160-700mm.

③ Stepless Speed Control

Folding speed 0-20m/min with frequency adjustment for flexible production matching.

④ Robust & Compact Design

Equipped with 8 tools (Φ84mm O.D.), 1.1kW power. Outline dimensions 4500×2000×1100mm. Pneumatic and electrical systems ensure stable operation.

2. Key Technical Parameters

Parameter

Specification

Model

CZJ-700

Insulating Paper Coil I.D.

Φ76 mm

Insulating Paper Coil O.D.

≤ Φ400 mm

Insulating Paper Coil Width

160 – 700 mm

Insulating Paper Thickness

0.11 – 0.17 mm

Number of Folding Layers

4 + 1 (Bottom Layer)

Width of Folding Layer

7 / 10 mm

Folding Speed

0 – 20 m/min (Stepless Frequency Adjustment)

Tool O.D.

Φ84 mm

Tool Number

8

Power

1.1 KW

Outline Dimensions

4500 × 2000 × 1100 mm

Systems

Electrical + Pneumatic

3. Application & Benefits

  • Application: Layer insulation folding for transformer windings (DDP insulation paper).

  • Benefits: Continuous process reduces manual handling, ensures uniform fold dimensions, improves transformer insulation quality and production efficiency.

4. Quality Assurance & Manufacturer Service (YIBO Machinery)

  • Quality Control: Strict raw material standards → Precision machining → Assembly recheck → Pre-shipment testing.

  • Certifications: ISO9001:2020, CE/SGS/BV. Key components from Siemens/Schneider/Mitsubishi.

  • Experience: 23+ years, 85%+ China market share (Top 3 electrical equipment).

  • Clients: CASC, CRRC, ABB, EATON, DELIXI, RITZ, TENGEN, Russia Military Enterprise.

  • Delivery: ~90 working days after advance.

  • Payment: L/C, T/T, Western Union.

  • Warranty: 12 months (from Acceptance Report, max 14 months from delivery).

  • Support: Optional overseas installation & training, 24-hour response, video guidance.

→ Contact our engineering team for custom insulation paper widths, folding layers, or integrated transformer production line solutions.


FAQ

Payment & Delivery

Payment term : L/C,T/T,Western Union

Delivery time : 90 working days after advance

Guarantee: The guarantee period shall be 12 months counting from the date of signing the Acceptance Report of this machine at the end-user’s site,but no longer than 14 months from the date of delivery.

What is YIBO?

8A Class Transformer Home with a full solution for the Transformer Industry

1, A real manufacturer with complete in-house facilities and passed ISO9001:2020 quality control system.

2, A professional R&D Center, having collaboration with well-know Shandong University.

3. A top performance company Certificated with International Standards like ISO, CE, SGS and BV etc.

4, A better cost-efficient supplier , all key components are international brands like Simens, Schneider and Mitsubishi etc.

5, A reliable business partner, served for  CASC,CRRC,CASDY,ABB,DELIXI, EATON, RITZ,TENGEN, Russia Military Enterprise etc in past 23 years.

6. A factory has passed the global TOP 500 enterprise clients inspection.

7. A market share in China is over 85% and Top 3 in electrical equipment field.

8. A have mainly manufacture the whole of electrical equipment and technical output service for decades.


Q1: How to grantee the quality ?

The quality is approved by national certificate ,several senior inspection personnel ,the brand material supplier ensure the safety and reliability of everything from storage to finished the goods .

Q2:Do you provide overseas installation and training ?

A: It’s optional .Our company will provide the guidance and videos for installation and commissioning.

If you need ,we can send engineers for for overseas installation and training.

Q3:How long is the warranty ?

A:The warranty period is 12 months .During Any problems ,our company will respond within 24 hours .






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