Общий каталог Mitsubishi 2020 - 2021 - страница 1600

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y OPERATIONAL GUIDANCE FOR THE MHS DRILL Drill Holding Drill Length Drill Installation Through Coolant Type Spindle Through Revolving Coolant Coolant Type Machine Type Adjusting Screw A NG øDC øD1 Less than ø.118 : 1.5MPa-7MP Thrust bearing type collet chuck More than ø.118 : 0.5MPa-7MPa holds the drill securely. A > DC x 2 Do not clamp on the flutes. More than 3MPa is recommended. Drill Installation Coolant Handling Thin Work Material Interrupted Cutting One Process 1) Small particles of swarf will jam in the oil hole of small Support the Work Material OK diameter drills. Always use zLower the feed a fine mesh filter as a OK 1Dx1 1 when drilling the DC preventative measure. interrupted part. 2) Dirt and dust particles adhere to the oil in old Requires Prior z Drill a prepared hole about 1DC Machining using the shortest flute length coolant and prevent an of MHS. (DC=drill diameter) efficient flow. Regular x Use the prepared hole as a coolant exchange is If Bending guide when using a drill with recommended. Occurs zSpot face with an an oil hole. Depending on end mill prior to the cutting conditions, peck NG drilling. feed is recommended. Stepped Holes Burring and Work Material Chipping zDivide the two processes. xDrill the larger hole first. zLower the feed rate by 50% * A tool for machining both chamfer and spot face can at the end of through cutting. M be produced to order. xChange the point angle. DRILLING M127