Double Disc Grinding Machine For Circular Cutting Blades

Rushan Shuangxing Machine Tool Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of double disc grinding machine for circular cutting blades in China. With abundant experience, our factory offer high quality equipment made in China with competitive price. Welcome to contact us for customized service.

This double disc grinder is built around the specific needs of circular blade production, not adapted from a general metalworking design. Three design choices make it genuinely different from standard grinders in a blade shop:

• Extended 800 mm travel handles large-diameter blades and supports in-line batch loading, so multiple blanks move through the grinding zone in a single setup
• Reinforced spindle and heavy frame absorb the cutting forces generated by hard blade materials without the chatter that ruins surface quality
• Calibrated precision level delivers the uniform body thickness required for consistent bevel formation in subsequent sharpening operations

The outcome is straightforward: blade blanks leave this machine with flat, parallel faces and consistent thickness, giving your edge grinding process the stable foundation it needs to produce high-quality cutting edges batch after batch.

Faster Blank Preparation

The in-line batch processing capability means fewer setups per production run. Instead of loading and grinding blades one at a time, operators can load several blanks into the fixture and process them all through a single reciprocating cycle. For volume blade production, this translates directly into more finished blanks per shift and less operator time spent on part handling and setup changes.

More Consistent Finished Blades

When blade bodies enter sharpening with uniform thickness and parallel faces, the edge grinding process produces more predictable results. Variation from blank to blank decreases, rejection rates drop, and the quality of blades coming off your sharpening line becomes more consistent across the full production run. For blade manufacturers supplying industrial customers, this consistency is what builds long-term confidence in your product.

Longer Blade Service Life

Blades with properly prepared flat bodies develop uniform bevels during sharpening, and uniform bevels wear evenly in service. Blades with uneven body geometry develop irregular edges that wear faster on the high side, requiring regrinding sooner and ultimately shortening the total service life of the blade. By establishing consistent body geometry at the blank stage, this machine contributes directly to longer usable life for every finished blade you produce.

Flexibility Across Blade Ranges

Most blade shops make more than one size. The wide diameter range - from 80 mm up to 450 mm - and thickness range from 3 mm to 50 mm cover the majority of standard industrial circular blade sizes. The 0.001 mm fine feed adjustment allows operators to dial in parameters for each specific blade material and size, so the same machine can handle everything from thin slitter blades to heavier shear knife bodies.

This Double Disc Grinding Machine for Circular Cutting Blades serves manufacturers across multiple industrial sectors:

• Industrial Knife Manufacturing - Slitter blades, shear knives, converting industry circular cutters
• Packaging & Converting - Film slitting blades, paper cutting discs, packaging line knives
• Food Processing Equipment - Food-grade stainless steel circular cutting blades, meat slicer discs
• Metal Processing - Sheet metal shear blades, tube cutting discs, steel mill slitter knives
• Tool & Die Workshops - Custom specialty circular blades, carbide cutting discs
• Leather & Textile Machinery - Leather cutting blades, fabric slitting discs

Typical blade materials processed include high-speed steel (HSS), alloy tool steel, stainless steel, cemented carbide and coated blade substrates.

Understanding how the machine fits into your production flow helps evaluate whether it is the right fit. In a typical blade manufacturing sequence, double disc grinding sits between blank preparation and edge sharpening:

Raw blade blanks first come from cutting, stamping or forging operations, usually with excess material on both faces and some variation in thickness. They go into the double disc grinder, where both faces receive simultaneous material removal until the blank reaches target thickness with parallel flat faces. From there, the uniformly thick blade blank moves to edge grinding equipment, where the cutting bevel is formed on a stable, consistent base.

On this machine, the standard approach is to run an initial pass at higher feed rate to remove the bulk of excess material, then follow with a finishing pass at reduced speed to achieve the final surface quality and precision target. Operators adjust feed speed and dressing frequency based on the specific blade material and starting blank condition.

Note: Tolerance data is measured under standard continuous production conditions with HSS tool steel blades. Actual results may vary based on blade material hardness, diameter and fixture setup.

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