Narex 0-9" VHU-36 Universal Boring & Facing Masterhead w/ R8 Shank

Description

Narex 0-9" Capcity Model No. VHU-36 Universal Boring & Facing Masterhead w/R8 Adapter for Bridgeport Mill, Solve All Your Boring & Facing Problems.
VHU- as boring device-considerably increases possibilities of boring, drilling and milling machines. These heads are suitable for percision 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, backfacing 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.
VHU-36 Universal Boring & Facing Masterhead
Operating Accuracy
+/- .0002
Boring & Facing Range
0 to 9"
Max. adjustability of slide
1.375
Max. dia of slide
2.750
Various automatic slide-feeds per revoluation
.0016
.0032
.0048
1 graduation of sensitive adjustments ins. on dia.
.0005
1 Revoluation of sensitive adjustment
.016
Quick return per revoluation
.030
Diameter of tool post holes in slide
5/8
Height of Head without shank
3.125
Width of Head
2.875
Standard Equipment Supplied with The Masterhead In Case
Boring Bars
2 Pcs. of 3/8"
Boring Bars
2 Pcs. of 5/8"
Extension holder
5/8" x 3-7/8"
Complete set of reinforcing rings
5/8"
Carbide round tool bits
5/8"
Reducting sleeve
5/8" x 3/8"
Basic Machining Operations Shown Below (Third Images)
1
Boring
2
Facing
3
Internal Recessing
4
Recessing
5
Back facing
6
Machining of external cylindrical surfaces
7
Boring of taper hole
8
Machining of external taper
9
Thread cutting
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