Narex 0-9" Capacity Model No. VHU 36 Universal Boring & Facing Masterhead for CNC Mills or Lathes, Solve All Your Boring & Facing Problems.
VHU- as boring device-considerably increases possibilities of boring, drilling and milling machines. These heads are suitable for precision boring of cylindrical holes, and for machining of external cylindrical surfaces. The boring head VHU by means of an automatic slide feed makes possible facing, back-facing and taper machining. The slide fee is adjustable in three or four grades and is stopped on adjustable dog by the pin clutch. The feed is derived from the rotary motion of the head, if one of the feed is adjusted, the pin of the clutch is put in and the brake ring is held by means of the stop bar. The screw serves for quick adjusting of slide and, or the contrary, the worm with the scale is used for find adjusting of precision boring. (1 division = slide movement of 0,005mm.)
These heads are delivered with primary accessories in boxes. The taper shank is exchangeable and it is not a component of primary accessories. Therefore it is necessary to order taper shank as seperate items.
Note: Shank Sold Separately. Not included in setVHU 36 Universal Boring & Facing Masterhead |
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Operating Accuracy | +/- .0002 |
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Boring & Facing Range | 0 to 9" |
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Max. adjustability of slide | 1.375 |
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Max. dia of slide | 2.750 |
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Various automatic slide-feeds per revolution | .0016 .0032 .0048 |
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1 graduation of sensitive adjustments ins. on dia. | .0005 |
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1 Revolution of sensitive adjustment | .016 |
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Quick return per revolution | .030 |
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Diameter of tool post holes in slide | 5/8 |
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Height of Head without shank | 3.125 |
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Width of Head | 2.875 |
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Standard Equipment Supplied with The Masterhead In Case |
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Boring Bars | 2 Pcs. of 3/8" |
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Boring Bars | 2 Pcs. of 5/8" |
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Extension holder | 5/8" x 3-7/8" |
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Complete set of reinforcing rings | 5/8" |
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Carbide round tool bits | 5/8" |
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Reducing sleeve | 5/8" x 3/8" |
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Basic Machining Operations Shown Below (Third Images) |
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1 | Boring |
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2 | Facing |
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3 | Internal Recessing |
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4 | Recessing |
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5 | Back facing |
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6 | Machining of external cylindrical surfaces |
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7 | Boring of taper hole |
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8 | Machining of external taper |
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9 | Thread cutting |
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