Su Zhou Jin Li Cutting Tools Co.,Ltd

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Customer Case: Custom Solid Carbide Slitting Saw (69 × 0.55 × 31.75mm × 48T) for Flat Knitting Machine Needle Bed Slot Milling

High-Precision Custom Carbide Slitting Saw for Needle Bed Manufacturing

In the manufacturing of flat knitting machine needle beds, slot accuracy directly affects machine performance, needle movement, and fabric quality. For this reason, precision cutting tools are essential.

Recently, one of our customers required a custom Solid Carbide Slitting Saw for machining the needle bed slots of a flat knitting machine. Based on the customer’s machining requirements, our engineering team designed and manufactured a customized carbide slitting saw with excellent cutting performance, high dimensional accuracy, and outstanding consistency.

Customer Requirements

The customer specializes in manufacturing precision needle beds for flat knitting machines. Their machining process required:

  • Extremely thin slot width
  • High slot accuracy
  • Excellent surface finish
  • Long tool life
  • Stable cutting performance during mass production
  • Consistent tool quality for repeated production batches

Standard cutting tools could not fully satisfy these requirements, so a customized solution was developed.

Customized Tool Specifications

Tool Type: Solid Carbide Slitting Saw Milling Cutter

Specification Value
Outside Diameter 69 mm
Cutting Thickness 0.55 mm
Bore Diameter 31.75 mm
Teeth 48T
Material Premium Solid Carbide
Application Flat Knitting Machine Needle Bed Slot Milling

The ultra-thin cutting thickness of 0.55 mm requires extremely high manufacturing precision to ensure both rigidity and cutting stability.

Precision Manufacturing with ±0.005 mm Slot Width Tolerance

For needle bed machining, slot width consistency is one of the most critical quality factors.

Our custom solid carbide slitting saws are manufactured using advanced CNC grinding equipment and strict quality inspection procedures. The machined slot width tolerance can reach ±0.005 mm, ensuring excellent dimensional accuracy throughout production.

This high precision helps customers achieve:

  • Consistent slot dimensions
  • Smooth needle movement
  • Reduced assembly adjustments
  • Improved product quality
  • Stable machining performance in mass production

Stable Quality and Excellent Tool Consistency

For manufacturers producing thousands of needle beds, consistency between cutting tools is just as important as cutting performance.

Every customized slitting saw is manufactured under a strict quality control system to ensure:

  • Uniform tooth geometry
  • Consistent cutting thickness
  • Stable balance
  • Excellent concentricity
  • Reliable batch-to-batch consistency

This allows customers to replace tools without changing machining parameters, reducing setup time and improving production efficiency.

Advantages of Solid Carbide Slitting Saws

Compared with conventional HSS slitting saws, solid carbide offers several advantages:

Longer Tool Life

Premium solid carbide provides excellent wear resistance, significantly extending tool life and reducing replacement frequency.

Higher Machining Accuracy

The high rigidity of solid carbide minimizes blade deflection during cutting, resulting in more accurate slot widths.

Better Surface Finish

Sharp cutting edges reduce burr formation and produce cleaner slot surfaces, minimizing secondary finishing operations.

Improved Production Efficiency

Stable cutting performance allows higher machining efficiency while maintaining excellent dimensional accuracy.

Customer Results

After introducing the customized carbide slitting saw into production, the customer reported:

  • Stable slot width accuracy within specification
  • Machined slot width tolerance up to ±0.005 mm
  • Improved consistency across production batches
  • Reduced burr formation
  • Longer tool life
  • Lower tooling costs
  • Higher production efficiency

The customized tool has become a standard solution for the customer’s needle bed manufacturing process.

Applications

Our custom solid carbide slitting saws are widely used for:

  • Flat knitting machine needle beds
  • Circular knitting machine needle cylinders
  • Dial plate slot milling
  • Precision slot milling
  • Textile machinery components
  • Precision mold manufacturing
  • Automotive precision parts
  • Medical components

Custom Manufacturing Service

We specialize in manufacturing custom solid carbide slitting saws according to customer requirements, including:

  • Custom diameters
  • Ultra-thin cutting thickness
  • Custom bore sizes
  • Tooth profile optimization
  • Special coatings
  • OEM & ODM manufacturing

Whether you require a single prototype or large-volume production, we can provide cutting tools with stable quality, excellent consistency, and high machining accuracy.

Looking for a Reliable Solid Carbide Slitting Saw Manufacturer?

If your application requires high-precision slot milling for needle beds, needle cylinders, or other precision components, our engineering team can help you develop the right cutting solution.

Contact us today to discuss your custom carbide slitting saw project and discover how our precision manufacturing can improve your machining performance.

This tool is part of our custom solid carbide slitting saw solutions.

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