Общий каталог Tungaloy 2020 - 2021 - страница 1673

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Drilling Tools B

Nomenclature for gun reamer

Guide pad Driver Tip Shank

C

Corner Oil hole Margin Primany Secondary clearance angle clearance angle D Secondary engage angle Primary engage angle

TroublePossible Increased burnishing torquecause ¡Chamfer angle smallCountermeasure ¡Enlarge chamfer angle and increase stock allowanceE Threadin
Breaking of reamerdue to excessively small stock allowance¡Excessive wear in peripheral cutting edge.¡Reduce cutting speed to prevent peripheral wear of edge ¡Increase lubricity of cutting fl uidF rooving
Sticking¡Faulty fi ltering of cutting fl uid ¡Incorrect selection of cutting fl uid ¡Insuffi cient cutting fl uid pressure¡Improve fi ltering accuracy ¡Change to fl uid with higher lubricity ¡Increase fl uid pressureG re tool
Mechanical trouble¡Repair electrical system ¡Improve clamping method of workpieceMiniatu
Excessive feed rate per tooth¡Reduce fl uid pressure ¡Increase number of teethcutter
Unacceptable surfaceImproper tool specifi cations¡Excessive chamfer angle ¡Excessive back taper ¡Peripheral run out excessive¡Reduce chamfer angle ¡Reduce back taper ¡Improve run out accuracyMilling
roughnessFaulty regrinding¡Cutting edge run out is large ¡Residual damage of preceding process¡Improve run out accuracy ¡Remove residual damage completelyI Endmill
Too large andImroer cuttin fl uid¡Excessive fl uid pressure¡Reduce fl uid pressure
cy inconsistentppgl¡Improper selection of cutting fl uid¡Increase activity and lubricity of the fl uidol
accura over sizeFaulty machine accuracy¡Correct spindle run out and bushing clearance and alignmentJ rilling to
achiningFaulty clamping of workpiece¡Clamping position wrong ¡Clamping force inadequate¡Improper clamping position ¡Increase clamping forceD em
aulty mFaulty machine accuracy¡Excessive bushing clearance ¡Faulty spindle run out and alignment¡Correct bushing clearance ¡Correct spindle run out and alignmentK ling Syst
F DefectiveImproper tool specifi cations¡Outer run out of reamer large ¡Insuffi cient reamer rigidity¡Correct peripheral run out ¡Increase reamer rigidityToo de
out-of-roundnessFaulty clamping position of workpiece¡Change clamping positionL Gui
Unevenness in wall thicknessof workpiece¡Reduce reamer guide width (margin width)User's
Insuffi cientChamfer angle small¡Increase chamfer angle
i oversize llExcessive wear in peripheral cutting edge¡Too high cutting speed ¡Faulty lubricity of cutting fl uid¡Decrease cutting speed ¡Increase lubricating capacityM Index
aowanceFaulty regrinding (residual damage)¡Increase regrinding stock amount