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Key points to note for cutting and edging custom-shaped glass for customers of Guangzhou tempered glass factory

Release time:

Nov 27,2024

Irregular glass cutting and edging is a fine and complex process that requires attention to multiple links and details. Here are some key points to note:

1. Preparation before cutting

Selection and preparation of raw glass:

Choose the appropriate glass raw material according to design requirements, considering its thickness, transparency, chemical composition, etc.

Ensure the surface of the raw glass is free of dust and stains, and remains flat for subsequent processing.

Design concept and drawing:

Design irregular shapes based on actual needs and uses, considering overall style, functionality, and process feasibility.

Draw the irregular design blueprints and go through multiple reviews and modifications to ensure the accuracy and aesthetics of the design.

Preparation of cutting equipment and tools:

Select a suitable glass cutting machine with high precision cutting capability and stable performance.

Prepare auxiliary tools such as grinding wheels, grinding stones, and diamond cutting blades for cutting and grinding assistance.

2. Cutting process

Marking and positioning:

Use marking tools to draw the predetermined cutting lines on the glass raw material, ensuring the position of the glass on the cutting machine is accurate to avoid errors.

Cutting operation:

Start the cutting machine and cut along the predetermined cutting lines.

During the cutting process, adjust the cutting parameters according to the actual situation to ensure cutting quality.

Cutting quality inspection:

Regularly check the cutting dimensions, angles, surface quality, and other parameters of the glass to ensure they meet design requirements.

If there are errors, adjust the cutting parameters in a timely manner and rework or scrap the cut glass.

3. Edging process

Edging machine inspection:

Perform routine checks on the edging machine after starting and stopping each day, including checking if the grinding wheel is loose, the degree of wear, and whether the circulating water is clean.

Control of grinding amount and feeding speed:

Reasonably control the grinding amount and feeding speed based on the thickness and material of the glass to avoid breakage.

Generally, the grinding amount for glass below 8mm should be less than 2.5mm, and for 10-19mm, it should be less than 1.5mm; the feeding speed should also be adjusted accordingly.

Edging machine operation:

Use a specialized glass edging machine for edging, ensuring the ground surface is smooth and polished.

Irregular edging must be processed strictly according to the template or geometric shape.

Grinding and polishing:

First, use a diamond grinding wheel with a metal bond for rough grinding, then use a diamond grinding wheel with a resin bond for medium and fine grinding.

If polishing is needed, low-hardness polishing abrasives such as iron oxide or cerium oxide can be used.

Post-edging inspection:

Inspect the appearance dimensions and quality of the edged glass; non-conforming products should not proceed to the next process.

Safety and protective measures

Operator protection:

Operators must wear protective gear such as gloves and safety helmets.

Pay special attention to wearing safety helmets when grinding large pieces of glass.

Machine operation safety:

Ensure the electrical cabinet is fixed to the wall and the wires are properly secured.

When grinding glass, direct the spray head of the universal water pipe towards the grinding wheel to avoid dry grinding.

On-site safety:

Ensure the construction site is clear of debris to avoid collisions or glass breakage that could cause injury.

When hoisting and transporting glass, pay attention to personnel safety and glass protection.

5. Maintenance and upkeep

Grinding wheel inspection and replacement:

Inspect, adjust, and calibrate the grinding wheel daily.

Replace the grinding wheel promptly when it is severely worn, and ensure the new grinding wheel is sharpened before processing products.

Circulating water management:

The circulating water should be kept clean, and the circulating pipes should remain unobstructed.

Change the water frequently to ensure good cooling effects during grinding.

In summary, irregular glass cutting and edging require attention to multiple links and details, including preparation before cutting, the cutting process, the edging process, safety and protective measures, and maintenance and upkeep. Only by strictly following these points can the quality and safety of irregular glass cutting and edging be ensured.

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