Hafco GHD-50 Instruction Manual Download Page 2

Page: 2 / 43

Operation Manual

Total 1

page 1

Contents

1. Main use and features of the machine

2. Main technical data

Brief description of the driving system and its structure

Electrical system

Lubrication and coolant system

Hoisting and installation

Use and operation of the machine

Machine adjustment

Machine use and maintenance

10.

Machine accessories

Page 2

Instruction Manual for GHD-50 (D178)

23/12/2014

Summary of Contents for GHD-50

Page 1: ...INSTRUCTION MANUAL GHD 50 Geared Head Drill 415V 50mm Drilling Capacity with Automatic Feed Tapping 4MT D178 Page 1 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 2: ... 3 Brief description of the driving system and its structure 4 Electrical system 5 Lubrication and coolant system 6 Hoisting and installation 7 Use and operation of the machine 8 Machine adjustment 9 Machine use and maintenance 10 Machine accessories Page 2 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 3: ...shall be well connected When test running push jog button in slow spindle speed to check if direction of spindle revolution is correct 5 Machine must be stopped if spindle speed or feed rate change is necessary 6 Please check if cutting tool or work piece is well clamped before machining 7 The red mushroom push button located in front of the spindle box is an emergence push button for emergency pu...

Page 4: ...en by gears 1 3 Oil lubrication both for the main driving system and for the feed driving system could be supplied automatically by a new type of trochoid pump when it is working in forward and reverse revolution 1 4 The spindle features good rigidity and good wear resisting and equipped with tool disassembly and balancing device 1 5 The worktable could be turned round the column center line or wo...

Page 5: ...le center line to the center line of column mm 360 5 Max distance between spindle end to the surface of the worktable automatic mm 585 550 6 Max distance between spindle end to the worktable surface of the base mm 1170 7 Max stroke of the spindle mm 240 8 Spindle taper Morse MT4 9 Number of speed steps of the spindle Step 12 10 Spindle speed range r min 52 1400 11 Feed steps of the spindle Step 4 ...

Page 6: ...ar and a quadruple gear moving along with axis direction results the speed change One of levers has an idle position that is for the spindle rotation by manual for loading and unloading of tool cutters as well as for the adjustment of work piece only Adjustment of the feed rate could be realized by shifting a set of gears controlled by changing a lever position in the right corner of spindle box I...

Page 7: ...2 0 2 0 3 0 2 0 1 0 2 0 2 mm D 10 20 15 25 5 78 0 3 The cutting rating chart for reference 9 330 1050 95 TOOL SETTING TOOL DISMOUNTING 790 250 0 580 180 72 52 x min OFF 13 0 30 0 40 0 20 0 10 0 mm r 4 3 2 1 Chart of lubrication position lubrication period Oiling once for each shift Oiling once for each shift Changing grease once every 6 month Oiling once for each shift Oiling once for each shift O...

Page 8: ...ual Total 26 drawing 2 picture of transmission page 6 10 9 6 7 8 23 22 21 20 19 18 17 16 15 14 13 12 11 24 25 26 28 27 29 30 33 37 36 35 34 32 31 1 2 3 4 5 38 39 Page 8 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 9: ...45 45 QT400 45 45 45 Heat treatment and hardness T235 T235 T235 T235 HV500 T235 G48 G48 Number on the drawing 11 12 13 14 15 16 17 18 19 20 Part drawing NO 32043 32059 32058 32044 32057 32056 32045 32046 32052 32048 Number of teeth and starts 17 22 32 32 41 26 43 15 60 25 Module 1 75 1 75 1 75 1 75 1 75 1 75 1 75 1 75 1 75 1 75 Direction of helical angle Class of Accuracy 8 7 7 8 7 7 8 7 7 8 7 7 8...

Page 10: ...6 Material 40Cr 40Cr 40Cr 40Cr 40Cr 40Cr 40Cr 40Cr 40Cr 40Cr Heat treatment and hardness G42 G42 G42 G52 G52 G52 G52 G52 G52 G52 Number on the drawing 31 32 33 34 35 36 37 38 39 Part drawing NO 32018 32019 32020 32022 32025 32026 32027 12004 12015 Number of teeth and starts 25 35 30 20 45 18 55 77 14 Module 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 Direction of helical angle Class of Accuracy 7 6 6 7 6 ...

Page 11: ...Operation Manual Total 26 drawing 3 picture of rolling bearing page 9 16 2 18 12 5 14 11 14 15 6 13 10 8 4 3 1 4 17 9 7 7 Page 11 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 12: ... GB276 D1000909 Deep racing ball bearing 45 68 12 1 D 9 GB276 7000102 Deep racing ball bearing 15 32 8 1 10 GB276 7000103 Deep racing ball bearing 17 35 8 2 11 GB276 7000106 Deep racing ball bearing 30 55 9 2 12 GB276 D7000110 Deep racing ball bearing 50 80 10 2 D 13 GB277 50202 Deep racing ball bearing with stop moving racing outside 15 35 11 1 14 GB277 50204 Deep racing ball bearing with stop mo...

Page 13: ...tion in clockwise direction KM1 engaged put the spindle manual opration lever in down position until touches work piece tapping job noe is starting When requied depth is reached the limit switch SQ3 works the spindle immediately runs in counter clockwise direction KM2 engaged the tap returns out of the work piece when spindle returns to the up highest position the limit switch SQ2 works spindle ru...

Page 14: ...1 limit switch SQ2 digital lable operation panel operation panel SB6 SB5 SB3 SB2 SB1 pump motor M3 limit switch SQ4 limit switch SQ6 SX3 wiring box B2 pump motor M2 limit switch SQ5 OFF electric box B1 button of hand lever SB4 motor of spindle M1 instruction switch QS1 switch of coolant pump X2 selection switch of tapping SX1 Page 14 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 15: ...d by 4 M10 35 hex screw bolts Connect three phases and one ground wires to the power supply as per the electrical Diagram 5 of the machine please note the direction of main revolving 4 9 Sheet metal guard The sheet metal guard of this machine has a safety protection function when it is opened The spindle can t working until it is closed when the spindle is working now it immediately stopped if The...

Page 16: ... QF3 lifting motor Operation Manual 84 85 14 12 13 blue picture of connecting wiring of speed 8 yellow 14 yellow brown RVP1 S1 black KM5 4 KM4 82 11 QL1 SB1 83 W20 0 3A 27V 5 2 3 4 27V 5A FU4 1A FU5 U20 81 8 6 7 1A FU6 9V 10A FU7 18V SX3 2 33 KM5 35 SX3 1 37 KM4 39 SQ6 SQ5 32 31 SQ4 36 1 5mm 2 FU2 3A 3A FU1 control power supply 12 lifting for table Total 26 page 14 Attention The diameter of the li...

Page 17: ...stop 73 start stop for feed out in for tapping tapping SB4 19 V1 R1 HL2 FU22 3A 72 U1 L1 12 I6 I5 SQ3 limit position above for feed SQ2 20 limit position below for feed 21 SB5 25 Q3 61 SB6 72 KM1 62 KM2 65 Q4 63 KM2 KM1 64 rotate in clockwise jog I8 WJ1 8 5F picture of connecting wire emergency stop SB1 23 67 Q5 SX2 68 KM3 coolant pump Attention The diameter of the line without indicating is 0 75m...

Page 18: ...P1 10R 01 1 SB4 Push button Homedade 1 SX3 Selection push button C3SS2 10B 20 1 SQ1 SQ5 SQ6 Micro switch E62 10A 3 SQ2 SQ3 Adjacent switch TL Q5MC1 2 SQ4 Micro switch SND4112 SP C1 1 KM1 KM2 Contactor AS12 30 01 20 AC24V CA3 01 Each 2 KM3 Contactor HH54P AC24V match seat 1 KM4 KM6 Contactor AS12 30 01 20 AC24V 3 HL1 HL2 Single lamp AD17 16 AC24V 2 EL1 Illuminating light AC24V 25W 1 T1 Transformer ...

Page 19: ...red in a compartment located at the backside of the machine base Flow rate of the coolant could be adjusted by a ball valve Regularly washing for the coolant system is necessary and coolant water shall be exchanged as per actual condition 6 Hoisting and installation Hoisting The machine is strongly fixed inside of the crate When hoisting the machine please pay close attention to the sign outside o...

Page 20: ... 42 8 3 3 9 2 5 9 3 8 10 40 11 57 0 2 0 3 0 2 0 3 8 0 9 0 3 30 35 40 45 50 240 230 220 190 200 170 180 210 160 min n 400 695 515 215 300 8 7 F KN 1 6 7 3 3 3 2 6 7 1 2 0 5 2 1 3 3 4 4 1 7 mm s 0 2 0 2 0 2 0 2 0 3 0 2 0 1 0 2 0 2 mm D 10 20 15 25 5 7 8 0 3 The cutting rating chart for reference 9 330 1050 95 TOOL SETTING TOOL DISMOUNTING 790 250 0 580 180 72 52 x min Page 20 Instruction Manual for ...

Page 21: ...Operation Manual Total 26 drawing 7 picture of hoisting page 19 0 30 0 40 0 20 0 10 0 mm r Page 21 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 22: ...testing and try cutting of the machine have been made before machine delivery No adjustment of the machine itself is necessary Before machine running clean all surfaces of the machine first by using cloth with kerosene or gasoline checking all lubrication points then turn the main switch of the machine to the on position running the machine with middle or slow speed and checking all revolution dir...

Page 23: ...Changing grease once every 6 month Oiling once for each shift Oiling once for each shift Oiling once for each shift 6 5 6 4 Worm bearing for Carriage lifting Surface of upright column Carriage lifting device No of lubrication position 5 3 2 1 Oil pool of spindleboox Surface of main spindle sleeve Surface of upright column lubrication position No 40 lubricant Grease designation Page 23 Instruction ...

Page 24: ...or dismounting tool cutter or adjustment of work piece needs spindle rotation by manual therefore the lever in the right side position shall be in the idle position so spindle rotation could be easily obtained Changes of the feed rate could be realized by using the lever 5 in the upper right side position of the spindle box As micro manual feed needs disengagement of the auto feed therefore the le...

Page 25: ...able Cutting depth could be readout at any time and cutting depth could also be set in advance This function will be helpful for small batch or single work piece machining 7 7 Tapping Put the Selection Switch 18 on the tapping position first turn the feed lever 4 and let the tap approaches the work piece a proper manpower force based on the size of screw shall be exerted in order to let the tap co...

Page 26: ...ntioned on the above Be sure do not forget to push the pin in its position 8 Machine adjustment 8 1 Spindle balance force adjustment Balance of spindle is realized through a springiness from a coil spring device located at the left side of the spindle box Balance force shall be adjusted to the point that the spindle together with its tool shall not go down itself when spindle stops go up a little ...

Page 27: ... using a normal drill for spot facing job will cause vibration However it will have a better result for the spot facing machining if reducing the rear angle of the normal drill with two different angles and going down the cutting speed and feed rate 9 6 Temperature of motor will be increased so quickly when tapping due to frequently Motor direction be changed Therefore rapid and continuous taping ...

Page 28: ...on standard Q ty Remark 1 Drill check with spanner 1 13 G86087 1 2 Adapter for drill check 1 3 Adaptor 4 3 JB3477 1 4 Adaptor 4 2 JB3477 1 5 Adaptor 3 1 JB3477 1 6 Taper wedge for flat shape quill Wedge 1 JB3482 1 7 Taper wedge for flat shape quill Wedge 3 JB3482 1 8 Wrench 21 24 GB4388 1 9 Battery SR44 1 10 Fuse φ5 25 3A 1A 10A 2 for each 11 Fuse φ5 25 5A 2 12 Cross work table 640 205 1 Special a...

Page 29: ...he base surface Item Geometrical Precision Test G1 No Brief Drawing Certificate of Inspection Page 1 Total 3 Precision Actual Test c b e d a D A B c d b e a Parallelism of the work table surface 0 04 at any tested Length of 300 flat or concave surface runout of worktable Page 29 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 30: ...etween two contacts of indicator probe α a b α a b L b a Certificate of Inspection Total 3 Page 2 Precision Inspection Record Germetrical Precision Test Item No Brief Drawing Allowance mm Precision Actual Test Perpendicularity of the spindle axis to work table surface Perpendicularity of the spindle axis to Base plate table surface Page 30 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 31: ...icate of Inspection Precision Inspection Record Germetrical Precision Test Item No Brief Drawing Perpendicularity of the vertical movement of spindle sleeve to work table surface The change of Perpendicularity of spindle axis to work table surface under the axial force α a b Page 31 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 32: ... GB4388 1 7 Battery SR44 1 8 Fuse φ5 25 3A 1A 5A 10A 2 for each 9 Cross work table 640 205 1 Special attachment 10 Cross work table 555 195 1 Special attachment 11 End cutter φ80 27 GB5342 1 Special attachment 12 Milling shank 1 Special attachment 13 adaptor for spring collet 1 Special attachment 14 Nut for T slot M12 4 Special attachment 15 Inner hexagon bolt M12 40 4 Special attachment 16 Spring...

Page 33: ...Page 33 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 34: ...Y5050 Washer 1 13 8110 GB301 Bearing 1 14 31002 ZY5050 Scale clamper 1 15 32036 ZY5050 Spindle quill 1 16 32006 ZY5050 Spline quill 1 17 D000909 GB276 Bearing 1 18 32029 ZY5050 Washer 1 19 32007 ZY5050 Round nut 2 20 32037 ZY5050 Transmission shaft 1 21 2007107E GB297 Bearing 1 22 32008 ZY5050 Bearing cover 1 23 32048 ZY5050 Feed gear 1 24 7000106 GB276 Bearing 2 25 32051 ZY5050 Bushing 1 26 32050...

Page 35: ...2 ZY5050 Cover 1 50 31001 ZY5050 Spindle box 1 51 32085 ZY5050 Stop ring 1 52 32070 ZY5050 Lock sleeve II 1 53 32071 ZY5050 Sleeve 1 54 32072 ZY5050 Lock sleeve I 1 55 32073 ZY5050 Locked screw 1 56 32077 ZY5050 Eccentric cover 1 57 1 222 30 M8 21001 Oval knob 1 58 32075 ZY5050 Handle 1 59 32076 ZY5050 Handle seat 1 60 34019 ZY5050 Lever block 1 61 31015 ZY5050 Fork lever 1 62 32094 ZY5050 Small s...

Page 36: ... 84 32032 ZS5030A Handle lever 3 85 35002 ZS5030A Nip 3 86 35001 ZS5030A Core lever 3 87 50204 GB277 Bearing 1 88 32027 ZY5050 Gear 1 89 32026 ZY5050 Gear 1 90 32025 ZY5050 Gear 1 91 32023 ZY5050 Gear 1 92 32014 ZY5050 Gear 1 93 32013 ZY5050 Gear 1 94 35024 ZY5050 Spline II 1 95 204 GB276 Bearing 1 96 31005 ZY5050 Spindle box cover 1 97 50204 GB277 Bearing 1 98 32022 ZY5050 Gear 1 99 32020 ZY5050 ...

Page 37: ...m cover 1 120 32068 ZY5050 Inching shaft 1 121 32069 ZY5050 Inching clutch 1 122 M14 1 5 GB812 Round nut 1 123 14 GB858 Washer 1 124 8102 GB301 Bearing 1 125 31007 ZY5050 Bearing seat 1 126 8102 GB301 Bearing 1 127 32066 ZY5050 Washer 1 128 102 GB276 Bearing 1 129 32064 ZY5050 Worm shaft 1 130 106 GB276 Bearing 1 131 32063 ZY5050 Clutch seat below 1 132 202 GB276 Bearing 1 133 32062 ZY5050 Overloa...

Page 38: ...Page 38 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 39: ...et seat 1 15 12005 ZS5030 T type screw bolt 1 16 12010 ZS5030 Positioning shaft 1 17 11002 ZY5050 Worktable 1 18 12016 ZY5050 Small shaft 1 19 12017 ZY5050 Worm shaft 1 20 11015 ZY5050 Sleeve 1 21 12015 ZY5050 Gear 1 22 12014 ZY5050 Washer 1 23 11014 ZY5050 Side cover for lifting 1 24 12012 ZY5050 Warm shaft for lifting 1 25 8104 GB301 Ball bearing 1 26 12011 ZY5050 Taper gear 1 27 11013 ZY5050 Wa...

Page 40: ...bracket and its three dimension sketch No Parts number Name of the parts Q ty Remarks 37 12012 ZS5030 Connecting board for bracket 1 38 M12 100 GB4141 15 Hand lever 1 39 M12 60 GB4141 14 Long hand quill 1 40 11004 ZY5050 Nut for clamping board 1 Page 40 Instruction Manual for GHD 50 D178 23 12 2014 ...

Page 41: ...e 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 maintained Keep blades sharp and clean for best and safest performance Follow instructions when lubricating and changing accessories 16 Keep machine well guarded Make sure guards on machine are in place and are all working corre...

Page 42: ...to reach full speed before beginning a cut 13 Changing Belts for speed selection Always allow the machine to come to a complete stop and turn power off before changing belts Not turning power off when changing belts can cause serious injury 14 Clearing chips Always use a brush to clear chips Never clear chips when the drill is running 15 Power outage In the event of a power failure during use of t...

Page 43: ... checks or maintenance being carried out SHEARING HIGH Risk Control Strategies Recommended for Purchase Buyer User Secure support work material on drill table Eliminate avoid loose clothing Long hair etc Isolate power to machine when changing speeds or maintenance is being carried out Wear safety glasses Do not adjust or clean until the machine has fully stopped MEDIUM HIGH TEMPERATURE MEDIUM Wear...

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