►Installation of taper shank twist drill Lifting the drill cassette a bit Slowly, and putting the four cassette drill legs into the four holes, choosing the appropriate size drill box core board according to drill’s standards, lifting the [Read More]

►changsha langfeng metallic material introduce the operation and installaation of taper shank twist drill,high speed twist drill bit . (1). Determining the feed rate: Feed rate is generally depend on people&rsquo s experience, the value is general 0.08-0.12mm [Read More]

►I’d like to mention a few reference, you can reference manual the name of a specific individual parts and grinding method . 1. Shorter the horizontal edge repair, but you can’t repair gone. Because feed force will be [Read More]

►changsha langfneg metallic meterail introduce the Proper use of carbide drills,tic carbide rods drills and ti(c n) rods drill: Because Carbide quite valuable, the proper use of the drill, so that the best use is a machining each [Read More]

  1 Introduction Sharpening its traditional method of grinding principle, when carried out on the flank twist drill grinding, grinding inappropriate if the parameter is selected, or due to the use of the inner cone sharpening increases apex [Read More]

  ►Installation of taper shank twist drill Lifting the drill cassette a bit Slowly, and putting the four cassette drill legs into the four holes, choosing the appropriate size drill box core board according to drill&rsquo s standards, [Read More]

►Changsha langfeng introduce the taper shank twist drill for you : (1). Determining the feed rate of taper shank twist drill: Feed rate is generally depend on people&rsquo s experience, the value is general 0.08-0.12mm / rotation or [Read More]

►changsha langfeng metallic material co.ltd is a loyal manufacture of high speed twist drill bit. Diamond pen on clamping jaw chuck, start grinding wheel infeed, longitudinal reciprocation feed mill repair cone, measured by the size of the inner [Read More]