Carboneto cimentado broca Processing Abnormal &Solutions

Carboneto cimentado broca ferramenta é utilizada para brocaing do material sólido por meio de orifícios ou furos cegos e fresagem dos furos existentes.

Carboneto cimentado Broca processamento de causas anormais e contramedidas

Situation	Reasons	Solution
brocaing into the oval	Form threaded scratches	1.Using a suitable broca sets 2.Reduce the clearance angle 3.Check the broca bit tip angle is symmetrical with both sides length
	Produce fibrillation, vibration	1.Reduce the clearance angle 2.Web thinning 3.Shorten Carboneto cimentado broca length , increased broca bit rigidity 4.Check Carboneto cimentado broca angle grinding is correct or not 5.Check the fixture Carboneto cimentado broca contact situation 6.Pre-brocaed center hole 7.Improve the rigidity of the working machine
	The chip discharge is not easy	1.Increase the weekly amount of feed 2.Select the correct helix angle 3.Increasing the groove width ratio 4.Intermittent feed
brocaing tilt	Adverse when cutting	1.Using the appropriate broca sets 2.Reduce the cut when the weekly amount of feed 3.Pre-brocaed center hole
	broca rigidity is bad	Shorten Carboneto cimentado broca length , increased broca bit rigidity
	broca bit angle is wrong	Resharpening Carboneto cimentado broca
Exterior angle wear	Cutting speed is too fast	1.Reduce the cutting speed 2.Increase the clearance angle 3.Sufficiently supplied cutting fluid 4.Improve Carboneto cimentado broca material
Hole wall roughness	Blade wear is too large	Resharpening Carboneto cimentado broca
	Feed speed too large	Lower feed speed
	Cutting obstruction	Increase the number of retraction
	Other	1.Web thinning 2.Use suitable guide bush 3.Improve the rigidity of the working machine
broca breaks while cutting	Feed too large	To reduce Every feed rate
	Cutting obstruction	1.Increasing the groove width ratio 2.Select the appropriate helix angle
	Insufficient rigidity of the broca	1.Reduce the weekly amount of feed 2.Shorten broca length and increase Carboneto cimentado brocarigidity 3.Increase web thickness
		1.Reduce weekly feed 2.working remains fixed 3.Improve the rigidity of the working machine
Chipping of the cutting edge	Feed too fast	Reduce the weekly amount of feed
	Insufficient strength of the cutting edge	1.Reduce the clearance angle 2.Reduce weekly feed 3.working remains fixed
	For use in the operations of the counterbore	1.Increase the broca tip angle 2.Reduce the cutting speed
Pore size-tolerance	broca tip angle is not symmetrical or blade different sizes	1.Resharpening Carboneto cimentado broca 2.Web thinning 3.To reduce Carboneto cimentado broca tip angle 4.Use broca sets

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