China Wholesale Servo Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha

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Following are recommendations for the degree of spiral for various materials:

Spiral flute taps are more suitable for processing non-through hole threads (also called blind holes), and the chips are upward during processing discharge. Due to the helix angle, the actual cutting rake angle of the tap will increase as the helix angle increases.

• High spiral flutes 45° and higher – effective for very ductile materials like aluminum and copper. If used in other materials, they will usually cause the chips to nest because the spiral is too • fast and the chip area is too small for the chip to form correctly.
• Spiral flutes 38° – 42° – recommended for medium to high carbon steel or free machining stainless steel. They form a chip tight enough to easily evacuate. On larger taps, it allows for pitch relief to ease the cutting.
• Spiral flutes 25° – 35° – recommended for free machining, low or leaded steels, free machining bronze, or brasses. Spiral flute taps used in brass and tough bronzes normally do not perform well because the small broken chip will not flow up the spiral flute well.
• Spiral flutes 5° – 20° – For tougher materials such as some stainless, titanium or high nickel alloys, a slower spiral is recommended. This allows the chips to be slightly pulled upward but does not weaken the cutting edge as much as higher spirals will.
• Reverse cut spirals, such as RH cut/LH spiral, will push the chips forward and are usually 15° spiral. These work especially well in tubing applications.

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China Wholesale Servo Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Servo Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha detail pictures


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Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for China Wholesale Servo Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Roman, Armenia, Hyderabad, Honest to every customers are our requested! First-class serve, best quality, best price and fastest delivery date is our advantage! Give every customers good serve is our tenet! This makes our company get the favour of customers and support! Welcome all over the world customers send us enquiry and looking forward your good co-operation !Please your inquiry for more details or request for dealership in selected regions.
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Marina from Riyadh - 2017.11.01 17:04
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Josephine from Liberia - 2018.12.05 13:53
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