Solar Panel Manufacturing Line with Automated Tabber Stringer, Laminator and Framing Processes

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Solar Panel Manufacturing Line with Automated Tabber Stringer, Laminator and Framing Processes

Customization:	Available
Production Scope:	Product Line
Automation:	Automation

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Product Description

Technical Specifications

Model NO.

Automatic line

Capacity

100-600MW

Shift

24h 3 Shift

Production

Solar Panel

Factory Size

8000m2

Solar Cell

156-230mm

Cell Type

Perc Topcon Hjt IBC Hbc Sunpower

Half Cut

1/2 1/3 1/4

Double Glass

Yes

Non Destructive Cutting

Yes

Laminator

Double Chamber

Certification

CE, ISO

Packaging & Delivery

Package Size

280.00cm * 190.00cm * 600.00cm

Gross Weight

1000000.000kg

Product Description

A solar panel production line is a crucial manufacturing process utilized to create solar panels, which serve as vital components in solar energy systems. This production line comprises a variety of specialized machines and equipment, each designed to perform specific tasks in the production process. Key machines include tabber and stringer machines, laminators, testers, framing machines, and interconnection equipment. The line is meticulously designed to ensure consistent quality, high yields, and operational efficiency.

Manufacturing Process Steps

Test solar cell efficiency: Ensure uniform power cells are used in one panel.

Laser Cutting: Cut complete solar cells into small pieces.

Welding: Solder solar cells into strings.

EVA/TPT Cutting: Size materials according to panel dimensions.

Lay up: Automatic laying of solar strings onto glass and EVA.

Visual inspection: Check raw materials for impurities.

EL Defect Check: Identify micro-cracks and invisible defects.

Lamination: Fuse raw materials into a solid solar panel.

Trimming: Remove excess edges after cooling.

Glue Application: Apply sealant for the aluminum frame.

Framing: Install the aluminum frame using specialized machinery.

Secondary Sealing: Fill sealant into the alloy frame after assembly.

Junction Box Installation: Glue and mount the junction box.

IV Test: Simulate sunlight to test electrical performance (power, current).

Insulation Test: Verify withstand voltage insulation.

Final EL Check: Final defect identification for finished modules.

Labeling: Apply product specifications and tracking labels.

Cleaning & Packaging: Surface cleaning and final container packing.

Main Equipment Overview

Non-Destructive Cutting (NDC) Machine

A thermal laser separation cutting machine used for high-precision solar cell production. It cuts cells without causing damage, ensuring accurate manufacturing for silicon, glass, and metal materials.

Tabber Stringer

Connects solar cells by soldering thin metal ribbons (tabbing) to the front and back, forming a string. Essential for electrical continuity and panel performance.

Machine Specifications (OTHS-PBR)

Parameter	Specification
Model	OTHS-PBR
Power Supply	AC380V 50Hz
Power	≤10kW
Cycle Time	Single string ≤5s
Arrangement Accuracy	±0.3mm
Module Specification	2450*1400mm
Air Consumption	500L/min
Dimensions (LWH)	320028002200mm
Compatibility	Regular 60/72 cells, double glass, half-cell modules

Solar Cell Fix Tape

High-temperature resistant tape used to secure solar cells onto backing material before soldering, ensuring proper alignment and bonding strength.

Fully Automatic Laminating Machine

Uses heat and pressure to fuse glass, EVA film, and solar cells. Precision control reduces errors and improves final product durability.

EL Defect Tester Performance

Performance Item	Description
Testing Cycle	≤24s
Testing Range	Conventional, double-glazed, film-mounted, and halved modules
Feeding Method	Long edge feeding, belt conveying
Testing Method	Upward perpendicular projection (4 cameras)
Software Functions	Barcode recognition, auxiliary diagnosis, MES interfacing

Global Presence

S/N	Region	Country
1-7	India	Pune, Vadodara, Kanpur, Karnal, Hyderabad, Surat
8-10	Egypt	Cairo, Suez
11	Russia	Krasnodar
12	Kazakhstan	Taraz
13-15	North America	Mexico, USA, Germany
16-21	Global	Tunisia, Argentina, Bahrain, Zimbabwe, Saudi Arabia, Syria

Frequently Asked Questions

What is the annual capacity of this solar panel production line?

The production line is designed with a flexible capacity ranging from 100MW to 600MW, depending on the specific configuration and machine selection.

Which solar cell types are compatible with the equipment?

The line supports a wide range of cell technologies, including Perc, Topcon, Hjt, IBC, Hbc, and Sunpower, with cell sizes from 156mm to 230mm.

How does the EL Defect Tester ensure quality?

The EL tester uses high-resolution cameras to identify micro-cracks, broken finger wires, black spots, and other invisible defects that cannot be seen by the naked eye.

Can this line produce double-glass or half-cut modules?

Yes, the production line is fully compatible with double-glass modules and supports half-cut cell processing (1/2, 1/3, 1/4 cuts).

What is the typical cycle time for the stringing and testing process?

The automatic stringer has a cycle time of ≤5s per string, while the EL testing process is completed in ≤24s per module.

Is the production line automated?

The line features high levels of automation, including automatic layup, automatic bussing, and fully automatic laminating machines to ensure high efficiency and consistent quality.