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Summary of Contents for Vhu 2 1/8"

Page 1: ...ual No 2420304 Vhu Vhu Universal Boring Heads Vhu 2 1 8 3 1 8 4 7 8 6 Producer Moskevska 63 101 00 Praha 10 Vrsovice Czech Republic Phone 420 246 002 249 Fax 420 246 002 335 e mail sales narexmte cz w...

Page 2: ...dle it is possible to bore tapered holes turn external tapers and cut tapered threads The taper angle depends in this case on the feed motion of the machine The universal boring heads widen considerab...

Page 3: ...1 4 13 7 1 4 18 Fig 2 3 d max D max a max Vhu 2 1 8 5 1 2 13 2 1 8 Vhu 3 1 8 7 15 3 1 8 Vhu 4 7 8 9 3 4 24 4 7 8 Vhu 6 1 4 11 3 4 27 6 1 4 Fig 2 Surfacing on small diameter front facing d a Fig 3 Surf...

Page 4: ...3 4 4 Vhu 3 1 8 12 3 4 4 Vhu 4 7 8 20 1 2 6 1 2 Vhu 6 1 4 23 1 2 6 1 2 Fig 7 h max Vhu 2 1 8 4 Vhu 3 1 8 4 Vhu 4 7 8 6 1 2 Vhu 6 1 4 6 1 2 Fig 8 Taper boring 2 5 85 2 Fig 9 Surfacing on rear facing D...

Page 5: ...r to set the nearest scale line against the foxed scale mark of the tool slide 5 Check by turning the spanner to both slides whether the screw is secured against turning b To achieve a fine setting of...

Page 6: ...ness HB 180 220 the recommended values are doubled To engage the required transverse feed turn the braking ring 1 with the machine at rest against the direction of the spindle rotation by at least one...

Page 7: ...trip dog and trip dog pin 11 be as small as possible i e the clutch adjusting screw 14 must be screwed in as little as possible In spite of this however there will be a certain overtravel exceeding th...

Page 8: ...feed of 0 0020 inch rev and a machine feed of 0 00286 inch rev or for the tool slide feed of 0 0040 inch rev a machine feed of 0 00572 inch rev can be selected According to the chart also the feed of...

Page 9: ...screw in completely the clutch adjusting screw 14 Thus the disengagement of the clutch 15 in case of overloading is excluded Accordingly increased attention is necessary during operation 6 Insert hold...

Page 10: ...The transverse feed of the tool slide will be calculated by means of the following formula Transverse feed of the tool slide in in rev lead of the thread in in cotg 2 The tool clamping and setting to...

Page 11: ...sing thread cutting and other special jobs can be made by grinding from semi products 5 16 x 6 16 x L for Vhu 21 8 31 8 or 3 8 x 3 8 x L for Vhu 47 8 and Vhu 6 By using two reducing sleeves supplied a...

Page 12: ...12 VII Exchangeable Clamping Taper Shank...

Page 13: ...13 Diagram for taper boring with Vhu 2 1 8 3 1 8 4 7 8 and 6...

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