Sharp VH3 Mill Скачать руководство пользователя страница 26

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Suggested starting speed and feeds

6-1

Carbide cutters

Table – 5

Working Piece

Cutting Speed

Material

Brinell Hardness

High – Speed Steel Cutter

Super – Hard Alloy Cutter

M/Min

FT/Min

M/Min

FT/Min

Special steel

Hard

Tough

Annealed

300-400

220-300

180-220

38-45

45-70

70-110

30-50

50-75

75-108

90-150

150-225

225-325

Low carbon

steel

Malleable

Cut well

152-197

150-180

85-140

110-140

90-130

108-130

270-400

325-400

Cast iron

Hard

Medium hard

Soft

220-300

180-220

150-180

45-70

70-100

110-140

50-70

75-108

108-130

150-225

225-325

325-400

Brass and

bronze

Hard

Medium hard

Soft

21-46

46-83

83-116

65-140

140-250

250-350

63-130

130-200

200-330

190-400

400-600

600-1000

Magnesium

and its

alloys

Aluminum

and its

alloys

Plastic

Note:

The above table should be regarded as a general criterion.

Attention must be paid to the following when operating the machine.

Chung Sing 24

VERSION: 2

Содержание VH3 Mill

Страница 1: ...OPERATIONS MANUAL PARTS LIST ...

Страница 2: ...own feed 15 3 9 Vertical spindle feed adjusting stopper 15 3 10 Vertical spindle quill clamping 16 3 11 Fine reading device for main spindle movement 16 3 12 Vertical spindle head swiveling 16 3 13 1 Swiveling of over arm on horizontal plane 17 3 13 2 Over arm transverse movement 17 3 14 Over arm and arbor support brackets 17 3 15 Part s name of table feed 18 3 15 1 Operation of manual feed 19 3 1...

Страница 3: ......

Страница 4: ... 048 0 096 0 192 mm rev Quill travel 130 mm Swiveling angle of head left right 45 deg Cross travel ram 510mm Horizontal rotating angle of ram 360 deg Horizontal Spindle Spindle nose ISO R297 No 40 Spindle speed 45 1 700 rpm Distance from center of spindle to overarm 182mm Distance from center of spindle to table 22 492mm Motors For Vertical spindle AC 3 7kW 4P For Horizontal spindle AC 3 7kW 4P Fo...

Страница 5: ...1 4 External view 1 4 1 Table and spindle nose dimensions Chung Sing 3 VERSION 2 ...

Страница 6: ...sert two round bars of about 1 3 8 inch in diameter and use a wire suspension rope of sufficient strength to bear a load of 6 600 lbs Pieces of wood and cloth should be inserted at the points where the rope touches the machine to absorb impacts which may later influence the accuracy of the machine Fig 2 Chung Sing 4 VERSION 2 ...

Страница 7: ...and liquid should be avoided Four leveling bolt should be adjustment the machine level When installing the machine must be adjustment four leveling bolt Fig 3 for level 2 4 Maintenance and inspection 1 Precautions for operating a Always lubricate designated oil to designated oiling points before starting b Confirm that the work and setting jigs do not strike anything before actuating table feed c ...

Страница 8: ...e connected to the terminals R S T Fig 4 2 On completion of the connection turn on the power switch Fig 4 1 provided on the side of the power box and turn the spindle rotating direction indicating change over switch to the right After finishing the above preparations start the main spindle See section for spindle starting spindle stopping and spindle brake If the rotation direction of the main spi...

Страница 9: ...Chung Sing 7 VERSION 2 ...

Страница 10: ...000rpm 30 150mm 2 000rpm 150 mm SLIDE WAYS Slide ways Refined mineral oils with improved lubricity and tackiness performance preventing stick slip G 68 G 220 68 120 61 2 198 74 8 242 Slide way surface pressure Horizontal under4kgf ܿ ଶ Vertical under4kgf ܿ ଶ HYDRAULIC SYSTEMS Hydraulic systems Refined mineral oils with superior anti corrosion and anti oxidation performances HL 32 HL 68 32 68 28 8 6...

Страница 11: ...e Oil No 6 Velocite Oil No 10 Mechanic Oil 2 Mechanic Oil 10 Mechanic Oil 22 SLIDE WAYS G 63 G 220 G 68 G 220 Febis K 63 Febis K 220 Tonna T 63 Tonna T 220 Vactra Oil No 2 Vactra Oil No 4 Multiway 63C Multiway 220C HYDRAULIC SYSTEMS HL 32 HL 68 HM 32 HM 68 HG 32 HG 68 R 32 R 68 32 AW 68 AW Teresso 32 Teresso 68 Nuto HP 32 Nuto HP 68 Powerex DP 32 Powerex DP 68 Tellus Oil C 32 Tellus Oil C 68 Tellu...

Страница 12: ...ting spindle speed 2 Spindle quill clamping lever 3 Hand wheel for main spindle vertical feed 3 Main spindle vertical adjustment stopper 4 Main spindle vertical feed change over knob 4 High Low speed shifter lever 5 Indicator stop 6 Indicator holder 5 Main spindle feed direction change over lever 6 Variable speed handle Chung Sing 10 VERSION 2 ...

Страница 13: ...motor stop button 3 3 Start stop and brake for vertical and horizontal spindle Steps to rotate the spindle Push the horizontal spindle button Fig 8 4 or vertical spindle button Fig 8 6 and the horizontal or vertical motor will start Steps to stop the motor of vertical or horizontal spindle Push the horizontal spindle stop button Fig 8 5 or vertical spindle stop button Fig 8 7 And the rotating spin...

Страница 14: ...ating direction of the speed change handle is opposite to the direction of the indicator The brown area of the indicator represents low speed the blue area represents high speed Put the high low speed change lever at the position when the vertical spindle R P M is at the low speed range 120 720 rpm Put the high low speed change lever at the position when the vertical spindle R P M is at the high s...

Страница 15: ...running To facilitate changing spindle speed stop main motor by depressing horizontal spindle stop button Fig 8 5 Turn spindle rotated direction switch Fig 10 3 to position 1 or 2 and then intermittently press the inching button Fig 10 4 at the same time moving lever Fig 10 2 until the required gears are engaged It should be noted that the feed motor will automatically stop when the inching button...

Страница 16: ...f feed and rotation per one division is 0 02mm of feed If the scale collar is locked at an operational position with the clamping screw Fig 12 3 the vertical feed amount can be read easily When using the main vertical spindle rapid adjustment turn the knob to the right and the clutch will be engaged Now the lever is ready for use It is convenient to use the lever when it is necessary to affect spi...

Страница 17: ...dle The required automatic feed is thus obtained Precaution for using the vertical spindle automatic feeding device The spindle feeding direction change over lever must always be at the stop position when the automatic feed is not in use 3 9 Vertical spindle feed adjusting stopper The stopping position for the spindle down feed is set by the spindle adjustment stopper Fig 7 3 located on the front ...

Страница 18: ... 4 should be fixed at a suitable height by the fixing knob Fig 15 5 to read a fine cutting amount 3 12 Vertical spindle head swiveling Swiveling within the vertical plane of the spindle head is necessary when milling slanted work Up to 45 of longitudinal swiveling is possible The spindle head should be swiveled in the following manner 1 Loosen the 4 bolts Fig 15 6 at the front of the spindle head ...

Страница 19: ...over arm may be moved transversely within a range of about 510mm This cross movement should be carried out in the following manners 1 Loosen the 2 bolts Fig 16 3 2 Move the over arm transversely by turning the pinion rotation shaft Fig 16 4 with a wretch 3 Retaighten the 2 bolts after obatining the necessary movement to fix the over arm 3 14 Over arm and arbor support brackets The column is provid...

Страница 20: ......

Страница 21: ...lever Fig 18 4 downward 3 15 3 Operation of vertical power feed Start feed motor by push button Fig 8 8 and then move lever Fig 18 5 upward to feed the knee upwards to move lever Fig 18 5 downward to feed the knee downward 3 15 4 Operation of longitudinal power feed Start feed motor by push button Fig 8 8 and then move lever Fig 18 7 right for the table to feed from the left to the right and for t...

Страница 22: ...unning which is independent of the main spindle motor and moving the lever whichever direction engages the feed required into the correct position and then moving lever Fig 18 6 upwards until the appropriate distance has been moved Then lever Fig 18 6 should be returned to its neutral position 3 15 7 Backlash eliminator The use of the backlash eliminator device allows climb milling to be carried o...

Страница 23: ...et at any position so that the table stops automatically in set range 3 15 9 Clamping of sliding surface 1 When longitudinal feed is not need turn two clamp lever Fig 20 3 clockwise at front of saddle to tighten the table 2 When vertical feed is not in use turn clamp lever Fig 20 2 at rear of knee to tighten the knee 3 When cross feed is not in use pull clamp lever Fig 20 1 under the left side of ...

Страница 24: ...e and reset the thermal relay by pressing the thermal relay reset push button 4 2 Fuses Fuses Fig 21 are installed in the control box to protect electric circuits If the machine does not start operation with the power source connected and no abnormality is indicated in each safety device check the fuses If fuses are blown remove the cause before replacing the fuse Fig 21 Thermal relays Fuses Chung...

Страница 25: ...5 Symbols The various movements and corresponding symbols used on this machine are indicated in Table 4 Chung Sing 23 VERSION 2 ...

Страница 26: ...eable Cut well 152 197 150 180 85 140 110 140 90 130 108 130 270 400 325 400 Cast iron Hard Medium hard Soft 220 300 180 220 150 180 45 70 70 100 110 140 50 70 75 108 108 130 150 225 225 325 325 400 Brass and bronze Hard Medium hard Soft 21 46 46 83 83 116 65 140 140 250 250 350 63 130 130 200 200 330 190 400 400 600 600 1000 Magnesium and its alloys Aluminum and its alloys Plastic Note The above ...

Страница 27: ... 025 0 35 0 55 0 13 0 2 0 325 0 125 0 175 0 27 0 075 0 1 0 175 0 05 0 075 0 125 Magnesium and its alloys 0 55 0 45 0 325 0 27 0 175 0 125 Aluminum and alloys 0 55 0 45 0 325 0 27 0 175 0 125 Plastic 0 375 0 3 0 225 0 175 0 125 0 1 Super hard alloy milling cutter Special steel Hard Tough Annealed 300 400 220 300 180 220 0 25 0 3 0 35 0 2 0 25 0 27 0 13 0 175 0 2 0 125 0 13 0 175 0 075 0 1 0 1 0 075...

Страница 28: ......

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