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  5. Operation Manual

Hafco AL-320G Operation Manual

Manual is about: Metal Cutting Lathe

Summary of AL-320G

  • Page 1

    1 metal cutting lathe operation manual model al-320g page 1 instructions manual for al-320g (l141) 07/02/2018.

  • Page 2

    2 note: in order to see the type and model of the machine, please see the specification plate. Usually found on the back of the machine. See example (fig.1-1) fig.1-1 metal cutting lathe machine al-320g model no. Serial no. Date of manf. Note: this manual is only for your reference. Owing to the con...

  • Page 3

    3 c o n t e n t s: safety precautions...............................................................4 a. Overview of the machine............................................5 b. Main usage and features.............................................5 c. Main specifications..................................

  • Page 4

    4 safety precautions safety glasses must be worn at all times when using the lathe. Earmuffs should be worn when noisy applications are operating gloves must not be worn when using this machine. Avoid wearing loose clothes, rings and loose jewelry appropriate footwear with substantial uppers must be...

  • Page 5

    5 1. Gear train cover 2. Headstock 3. Speed changing lever 4. Main spindle 5. Chuck 6. Steady rest 7. Toolpost 8. Toolpost slide 9. Cross slide 10. Tailstock sleeve locking lever 11. Tailstock a. Overview of the machine 12. Tailstock locking lever 13. Main switch 14. Forward-reverse feeding handle 1...

  • Page 6

    6 c. Main specifications machine model al-320 centre height 160mm max. Swing over bed 320mm max. Length of work piece 600/750mm max. Swing over cross slide 170mm headstock taper mt5 spindle bore 38mm spindle speed steps 6/12 spindle speed range 60/1600 r.P.M. Toolpost max. Cross slide travel 200mm m...

  • Page 7

    7 d. Transmission system 1. Input pulley 2. Change gear 3. Change gear 4. Change gear 5. Change gears 6. Output gears 7. Gears 8. Gears 9. Gears 10. Triple joined sliding gears 11. Gears 12. Spindle gears 13. Headstock gears 14. Headstock gears 15. Duplicate joined sliding gears 16. Top slide lead s...

  • Page 8

    8 d.1 main transmission system power comes from the motor to the input shaft #37 via input pulley #1, from the input pulley to main spindle #40 via middle shaft #38. The main spindle has a range of 6 speeds by operating the speed changing handles on the head stock. (fig.1) the pulley has two belt po...

  • Page 9

    9 when cutting threads, open the door to the change gear box, and check the change gear chart to select suitable gears to produce the threads required. (the change gears are standard acces- sories). After the gears are changed, the gear box door must be closed. To engage the thread- ing mode, the ha...

  • Page 10

    10 thread chart page 10 instructions manual for al-320g (l141) 07/02/2018.

  • Page 11

    11 fig. 9 fig. 9 4.7 setting the cutting tool with spindle centerline the tip of the cutting tool should be set up so that it is in line with the centre line of the spindle, as illustrated in fig. 8. The cutting tool can be raised by placing steel shims underneath it. The shims should be as long and...

  • Page 12

    12 e. Installation and adjustment of the lathe when lifting the machine it is recommended that the method used in the diagram below is used or a fork lift is used. Since there is no obvious hand holding places, please do not lift or carry the lathe by hand. When lifting the lathe, the use of soft sl...

  • Page 13

    13 e.2 adjustment of the lathe the main spindle has been adjusted correctly before leaving the factory and you are not re- quired to make any adjustment. However over the life of the machine it may be necessary to adjust the spindle to correct the bearing tolerance. If adjustment is required then ti...

  • Page 14

    14 wedge two screws and lock nuts fig. 10 two screws and lock nuts wedge wedge nut fig. 11 fig. 12 e.2.3 the adjustment of the locking handles of the tailstock the locking of the tailstock can be achieved by either the locking nut or locking handle. Ad- justing the stroke of locking handle can be ac...

  • Page 15

    15 f. Operation after assembling the machine, remove the anti-corrosion coating on the slideway, carriage, toolpost, tailstock and change gears with a clean cloth and kerosene. Once the machine is clean lubricate the machine as per instructions. 19 f.1 illustration of the operation parts 1. Socket h...

  • Page 16

    16 the speed change of the main spindle can be achieved by operating the two speed change handles on the headstock. The speed chart shows the positions of the motor pulley changes that are needed to achieve some range of speeds. (fig. 15) motor pulley positions fig. 15 f.3 threading see d.2.2 g. Lub...

  • Page 17

    17 lubrication points table of lubrication points fig. 16 page 17 instructions manual for al-320g (l141) 07/02/2018.

  • Page 18

    18 h. Wiring diagram fig. 17 the maintenance of the electrical parts, and wiring must be made by a qualified electrician. Wiring colour code. Yellow/green wire --- grounding blue wire --- neutral brown --- live cautions: if the motor does not work while the power voltage is on, first check the cut-o...

  • Page 19: Spare Parts Section

    19 spare parts section the following section covers the spare parts diagrams and lists that were current at the time this manual was originally printed. Due to continuous improvements of the machine, changes may be made at any time without notification. How to order spare parts 1. Have your machines...

  • Page 20

    20 al-320 bed parts page 20 instructions manual for al-320g (l141) 07/02/2018.

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    21 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 l7 l8 l9 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 cq9332-01-001 cq9332-01-003 6x18 gb117-86 m8x16 gb70-85 5 gb97. 2-8.5 m5x10 gb65-85 cq9332-01-005 6 gb1155-79 cq9332-05-015 m5x12 gb68-85 m6x25 gb75-85 m6 gb6...

  • Page 22

    22 no. Part no. Description 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 cq9332-01-009 cq9332-01-004 cq9332-00-006 cq9332-01-002 cq9332-01-006 6 gb1155-79 cq9332-01-010 cq9332-02-011 m8x25 gb70-85 5x30 gb117-86 m5x8 gb71-86 4x25 gb117-86 at520-03-014 10 gb93-87 m10x40 gb70-86 m10x35 gb70-85...

  • Page 23

    23 al-320 headstock parts page 23 instructions manual for al-320g (l141) 07/02/2018.

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    24 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 m161.5 gb812-88 16 gb858-88 16 gb97.2-85 5x16 gb1096-79 cq9332a-02-016 60206 gb298-89 m5x12 gb70-85 cq9332-02-017 16 jb/gq0324-89 16 gb894.1-86 203 gb276-89 c...

  • Page 25

    25 no. Part no. Description 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 5x60 gb1096-79 20 gb894.1-86 cq9332-02-025 5x40 gb1096-79 cq9332-02-028 203 gb276-89 cq9332-02-046 cq9332-02-026 m5x12 gb819-85 m6x8 gb78-85 cq9332-0...

  • Page 26

    26 no. Part no. Description 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 5x50 gb117-86 0.8x5x25 gb2089 -80 6 .5 gb308 -84 m5x12 gb819- 85 at400-04-127 16x2.4 gb1235-76 cq9332-02-035 cq9332-02-036 203 gb276 -89 cq9332-02-015 16 jb/gq0324-89 cq9332...

  • Page 27

    27 al-320 back gears parts page 27 instructions manual for al-320g (l141) 07/02/2018.

  • Page 28

    28 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 m4x10 gb65-85 4 gb93-87 m4 gb6170-86 cq9332-06-002 710 gb1171-7-1 cq9332-00-002a m6x8 gb75-85 m8x25 gb5782-86 8 gb93-87 8 gb97.2-85 cq9332-00-001 cq9332-06-00...

  • Page 29

    29 no. Part no. Description 42 43 44 45 46 47 48 49 50 51 52 53 54 6 gb97.2-85 6 gb93-87 m6x16 gb70-85 cq9332-00-007 10 gb93-87 m10x45 gb5782-86 10 gb96-85 at300-05-108 6 gb896-86 at300-05-110 at300-05-111 8x32 gb4141.29-84 3x18 gb117-86 washer spring washers hexagon socket head screw sleeves spring...

  • Page 30

    30 al-320 gearbox parts page 30 instructions manual for al-320g (l141) 07/02/2018.

  • Page 31

    31 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 cq9332-04-002 m5x8 gb68-85 8 gb1155-79 m5x6 gb71-85 cq9332-04-004 5x16 gb1096-79 cq9332-04-005 cq9332-04-007 cq9332-04-006 cq9332-04-012 cq9332-04-010 5x8 gb1...

  • Page 32

    32 no. Part no. Description 42 43 44 45 46 47 48 49 50 51 4 gb97. 1-85 m8x100 gb70-85 cq9332-04-001 cq9332-04-018 cq9332-04-012 cq9332-04-019 cq9332-04-011 m5x12 gb70-85 cq9332-04-012 cq9332-04-006 washer hexagon socket head screw left trestle sieeves spigots sieeves pedestal hexagon socket head scr...

  • Page 33

    33 al-320 apron parts page 33 instructions manual for al-320g (l141) 07/02/2018.

  • Page 34

    34 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 6x12 gb1096-79 at400a-03-203 at400a-03-206 m6x12 gb75-85 m6x12 gb71-85 at400a-03-205 cq9332-05-010 m5x8 gb71-85 at400a-03-207 at400a-03-241 20 gb894.1-86 cq93...

  • Page 35

    35 al-320 apron parts list no. Part no. Description 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 6.5 gb308-84 m6x8 gb73-85 0.6x5x15 gb2089-80 5 gb308-84 at400a-03-216 5x40 gb1096-79 cq9332-05-020 cq9332-05-021 at400-03-127 at400-03-12...

  • Page 36

    36 al-320 compound slide parts page 36 instructions manual for al-320g (l141) 07/02/2018.

  • Page 37

    37 al-320 compound slide parts list no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 cq9332-08-002 cq9332-08-004 8 gb97.2-85 m8 gb6170-86 cq9332-08-008 cq9332-08-008 0.5x5x15 gb2089-80 cq9332-08-009 cq9332-08-012 m10x30 gb83-88 cq9332...

  • Page 38

    38 al-320 tailstock parts page 38 instructions manual for al-320g (l141) 07/02/2018.

  • Page 39

    39 no. Part no. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 m5x8 gb71-85 gb2089-80 i.4x7x30 cq9332-03-008 gb308-77 gb894.1-86 12 cq9332- 03-009 m8x40 gb70-85 at400-02-108 at300-02-114 cq9332-03-003 at400-02-120 m5x10 g...

  • Page 40

    General machinery safety instructions 1. Read the entire manual before starting machinery. Machinery may cause serious injury if not correctly used. 2. Always use correct hearing protection when operating machinery. Machinery noise may cause permanent hearing damage. 3. Machinery must never be used ...

  • Page 41

    Metal lathe safety instructions 1. Maintenance. Make sure the lathe is turned off and disconnect from the main power supply and make sure all moving parts have come to a complete stop before any inspection, adjustment or maintenance is carried out. 2. Lathe condition. Lathe must be maintained for a ...

  • Page 42: Plant Safety

    Manager: metal la the d medium cutting, st abbing, authorised and signed by: developed in co-operation between a.W .I.S.A and australia chamber of manufactures this program is based upon the safe w ork australia, code of practice - managing risks of plant in the w orkplace ( whsa 201 1 no10 ) new ma...