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ToolMaster TM-U3, Инструкция по эксплуатации

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Cutter Profiles-Tool Angle-Cutting Speeds

Cutter Profiles

As rule, single-lip milling cutters are given one of the seven basic profiles Illustrated below,

1. cylindrical, w/end relief

2. cylindrical, w/off-center radius

3. cylindrical, rounded off

4. pointed

5. tapered, w/end relief

6, tapered, w/off-center radius

7. tapered, w/rounded point

 Above are illustrated the seven basic cutter profiles and cross seciional views of the profiles they 

will produce,

Cutter with end relief. Cutter with pointed end. Rounded-off cutter

Tool Angles

As is the case with all metal cutting tools, single-lip milling cutters require the proper amout of cut-

ting edge relief or back rake angle for maximum stock removal and high surface finish. As regards 

single-lip cutters, three different tools angles will have to be taken care of these angles being used 

in all kinds of cutters.

Angle B applies to end relieved cutters only. Cutters having an angle of less than 20° should be 

relief ground at between 25° and 30°

Fig

 

1.

Содержание TM-U3

Страница 1: ...INSTRUCTION MANUAL TM U3 Universal D BIT Grinder 240V 1 4HP G1975...

Страница 2: ...ts allow for a freerunning spindle Excessive tightening will result in bearing failure After reinserting the spindle assembly carefully tighten screw S in the bore to hold the spindle assembly in posi...

Страница 3: ...Clamping lever for adjustment along tubular guide H Index head bracket fine adjustment screw G Adjustable stop screw T5 Index head slide clamping lever C Cutter lip aligning gauge C1 P S Cross slide...

Страница 4: ...a annular grease chamber in the longitudinal slide which will now be made accessible This should then be cleaned with petrol and refilled with grease Slide Release clamping screw T5 and remove the lon...

Страница 5: ...r T6 Lift off the index drum F to access the adjusting nut and screw U2 Rotate the screw 180 relative to the nut to reduce the length Then reassemble Adjusting the stop pin for the 90 Swivel Motion Co...

Страница 6: ...dressing Is particu larity necessary when the wheel has become hardened or when sharp corner has been worn off Wheels in this condition result in poor surface finish and overheating of the cutting to...

Страница 7: ...s seciional views of the profiles they will produce Cutter with end relief Cutter with pointed end Rounded off cutter Tool Angles As is the case with all metal cutting tools single lip milling cutters...

Страница 8: ...hen cutting soft aluminium use kerosene as a coolant When cutting celluloid the cutter must always be in feed motion in order to avoid the material catching fire Tool angles and recommended cutting sp...

Страница 9: ...The vernier scale C1 of the cross slide must be set zero see Fig 3 3 Rotate fine adjustment screw H to bring the side cutting edge of the cutter into light contact with the face of the grinding wheel...

Страница 10: ......

Страница 11: ...d bracket along tubular guide to bring cutter lip into light contact with end face of grinding whee Be sure prior to tightening clamping lever T7 to align vertical swivel mount index mark with tubular...

Страница 12: ......

Страница 13: ...rotate adjustable stop screw G while continuously rotating the spring collet bearing to advance the work fixture past the grinding wheel this will produce uniform stock removal Fine adjustment during...

Страница 14: ......

Страница 15: ...scale S2 set swivel arm at approx 3 Tighten clamping lever T2 Release clamping levers T3 and T6 and hold the Index drum F against stop and beginning at 90 position 3 Set the swivel arm at the desired...

Страница 16: ......

Страница 17: ...The vernier scale Cl of the cross slide must be set zero see Fig 3 3 Rotate fine adjustment screw H to bring the side cutting edge of the cutter into light contact with the face of the grinding whe el...

Страница 18: ......

Страница 19: ...ing wheel Tighten clamping lever T7 release lever T4 Grinding the Back Rake Angle 7 During grinding slowly return stop screw G to advance the work fixture past the wheel At the same time contiuously r...

Страница 20: ......

Страница 21: ...te this setting operation set scale drum of screw H at zero without disturbing the setting of the screw see Fig 4 b No 6 profile Rotate screw H to bring cutter diameter into light contact with grindin...

Страница 22: ...swivel arm at zero on setting scale T2 resulting In a normally suit able rake angle If larger or smaller rake angles are required adjust swivel arm accordingly Ret ingten clamp K2 Release clamp K6 an...

Страница 23: ...form grinding wheel as drawing III Swiving the end mill attachment workhead by the degree of relief angle Use the grinding guide pin to grinding the rake of end mill following the screw of end mlI by...

Страница 24: ...ew D6 Move index head slide T until its front face roughly coincides with the front face of cross slide Q 3 Retighten clamp K6 and screw D6 If new grinding wheel is used 4 Release clamp K5 move cross...

Страница 25: ...12mm Collet This slot sets the travel Location pin0...

Страница 26: ...ly by the degree required for the side cutting edge angle for grinding the the side cutting edge angel A Tilt the lathe tool grinding attachment vertically by the recom mended side rake angle B to gri...

Страница 27: ...can result in poor cutting edges lack of concentricity and loss of form in the case of formed tooth cutters Milling cutters cannot be sharpened by offhand grinding A tool and cutter grind ing machine...

Страница 28: ...when the fixture spindle is pushed up against the stop and the collar the cutter is nearlt touching the wheel Fig 3 Adjust the wheel in so that it just touches the cutter by using the adjustment knob...

Страница 29: ...ackwards so that the cutter clears the wheel Move the sleeve forward and let it rotate naturally against the tooth rest as you move it forward and back being sure to never let the cutter part from the...

Страница 30: ...SPARE PARTS...

Страница 31: ......

Страница 32: ......

Страница 33: ......

Страница 34: ...the off position before re connecting 14 Use correct amperage extension cords Undersized extension cords overheat and lose power Replace extension cords if they become damaged 15 Keep machine well ma...

Страница 35: ...on around the area to ensure unintended accidents 10 Starting the Tool Cutter Grinder If a wheel is damaged it may fly apart shortly after start up To avoid any injury always stand out or the grindin...

Страница 36: ...ks or maintenance being carried out A C HIGH Risk Control Strategies Recommended for Purchase Buyer User Secure support work material when grinding Eliminate avoid loose clothing Long hair etc F ENTAN...

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