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Shenzhen Ruifeng Xinye Precision Machinery Co., Ltd.

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Address: Building 2, No. 5, Shijing Industrial Park, Pingshan District, Shenzhen, China Mobile phone: 13823281286 (Chen Sheng)
Phone: + 86-755-8992 4486
Email: [email protected]

Mobile phone: 13686803292 (Lilian)
Phone: + 86-755-8992 4285-611
Email: [email protected]

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Computational formulas commonly used in CNC machining

Time: 2018-11-13 Source: Site views: 2648

CNC common calculation formula one

Cutting linear speed V = πDN / 1000 N = rpm (spindle revolution)

D = ¢ mm (cutting diameter)

= M / min π = 3.14



2: Cutting power

KW = (Ks × V × d × f) ÷ (6000 × λ)

W = Kw (cutting power)

f = feed amount (mm / rev)

d = cutting depth (mm)

λ = 0.7 ~ 0.85 (mechanical efficiency)


Three: Cutting impedance

P = Ks × q

P = KG

Ks = kg / square mm

q = f × d [cutting area [square mm]]



Four: Cutting torque

T = P × (D / 2)

T = kg-m

D = ¢ mm (cutting diameter)


Five: Feed speed and feed amount

Vf = N × f Vf = feed speed (mm / min)

N = rpm (spindle revolution)

f = feed amount (mm / rev)

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Address: Building 2, No. 5, Shijing Industrial Park, Pingshan District, Shenzhen Tel: + 86-755-8992 4285-611 + 86-755-8992 4486
Mobile phone: +86 13823281286 (Chen Sheng), +86 13686803292 (Lilian)
Website: http://www.china-rfc.com Email: [email protected]
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