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Hafco BM-23A Operation Manual

Manual is about: TURRET MILL.

Summary of BM-23A

  • Page 1

    Turret mill operation manual edition no : tm-001 date of issue : 6/2017 models. Bm-23a, bm-53ve, bm-63ve page 1 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 2

    2 operation manual 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) fig.1 turret mill machine model no. Serial no. Date of manf. Note: this manual is only for your reference. Owing to the contin...

  • Page 3

    3 operation manual contents introduction specifications..............................................................4 front view identification..........................................5 bm-23a belt driven head identification...........6 bm-23a controls and components..................7 bm-53ve , 6...

  • Page 4

    4 operation manual model number: bm-23a bm-53ve bm-63ve digital readout 3-axis counter x, y scales 3-axis 3-axis table size (mm) 1066 x 230 1370 x 254 1370 x 254 spindle taper nt30 nt-40 nt-40 longitudinal travel x-axis (mm) 585 910 890 cross travel y-axis (mm) 295 400 400 vertical travel z-axis (mm...

  • Page 5

    5 operation manual a motor f longitudinal power feed k longitudinal handle b digital readout g knee l slotted table c ram h splash tray m halogen lamp d main body i cross handle n headstock e electrical cabinet j knee handle o spindle drawbar b become familiar with the names and locations of the con...

  • Page 6

    6 operation manual bm-23a belt drive head belt tension adjustment lever belt housing spindle safety cover spindle speed range selector coarse downfeed lever quill lock lever adjustable downfeed stop spindle brake lever high/low range lever fine downfeed handwheel auto-downfeed direction pin fine dow...

  • Page 7

    7 operation manual spindle brake lever: quickly stops the spindle after power to spindle is turned off. High/low range lever: selects between low (65 rpm–270 rpm) and high (590 rpm– 2330 rpm) spindle speed ranges. Belt tension adjustment lever: adjusts the v-belt tension by moving the position of th...

  • Page 8

    8 operation manual spindle brake bm-53ve, bm-63ve variable speed head variable-speed handwheel spindle speed range selector manual/power downfeed selector digital variable-speed display auto-downfeed direction pin fine downfeed clutch lever auto-downfeed rate selector fine downfeed handwheel coarse ...

  • Page 9

    9 operation manual spindle brake lever: quickly stops the spindle after the power to spindle is turned off. High/low range lever: selects between low (50 rpm–400 rpm) and high (400 rpm– 3550 rpm) spindle speed ranges. Spindle speed range selector: used in con- junction with high/low range lever. Eng...

  • Page 10

    10 operation manual a a. X-axis ball handle: manually moves table along x-axis (left and right). B. X-axis locks: tightens to prevent x-axis table movement for increased rigidity during operations where the x-axis should not move. C. Y-axis ball handle: manually moves table along y-axis (front and b...

  • Page 11: Warning

    11 operation manual 2.1 safety requirements do not use this machine unless you have read this manual or have been instructed in the use of this machine in its safe use and operation safety glasses must be worn at all times in work areas. Earmuffs should be worn if the work area is noisy. Sturdy foot...

  • Page 12

    12 operation manual wearing proper apparel do not wear clothing, apparel or jewelry that can become entangled in moving parts. Always tie back or cover long hair. Wear non-slip footwear to avoid accidental slips, which could cause loss of operating control. Hearing protection. Always wear hearing pr...

  • Page 13

    13 operation manual preparing the milling machine for service 1. Remove any crating which may be covering the machine on the pallet. 2. Remove from the pallet the toolbox and any other items shipped separately with the machine. Inside the toolbox are the fine and coarse feed handles, along with othe...

  • Page 14

    14 operation manual removal of mill head block before shipment, the mill head is rotated to the side to lower the machine center of gravity. A wooden block is placed between the mill head and the worktable to support the head. The block is removed by raising the mill head. Before at- tempting to rai...

  • Page 15

    15 operation manual setting bm-23a spindle speed the model bm-23a has eight spindle speeds—four in low motor speed and four in high motor speed. Setting the spindle speed involves: 1) selecting the spindle speed range, 2) positioning the v-belt, and 3) setting the spindle switch. To set the spindle ...

  • Page 16

    16 operation manual setting variable head speeds with the variable speed head change the speed only when the spindle is turning. The variable speed handwheel is used to control the spindle speed. The handwheel is located on the right side of the mill head. The speeds for high and low speed ranges ar...

  • Page 17

    17 operation manual variable speed control hi speed: move the handle (fig 6-1 , a,) on the front of the top of the head. Move the handle b (fig 6-2 b) to the in position. Rotate the spin- dle nose by hand until the gears mesh with the clutch. Move the handle b to the out position( fig 6-2,b) low-spe...

  • Page 18

    18 operation manual do not use the quill power feed at speeds above 2700 r.P.M. It is recommend- ed to disengage the power feed worm gear when- ever the power feed is not required. This avoids unnecessary wear on the worm gear. Do not move the quill feed lever unless the motor is at a complete stop....

  • Page 19

    19 operation manual it is recommended that the feed direction knob be left in the neutral position when not in use. Fig. 12 coarse feed handle the coarse feed handle (a, fig. 13) is located on the right hand side of the head. The coarse feed handle is used for non-precision drilling opera- tions, or...

  • Page 20

    20 operation manual spindle downfeed operation the feed trip adjustment sets the point at which the quill will reset during power feed. Referring to fig. 16: the manual fine feed handwheel can be removed, but if not removered care should be taken when the auto feed is used so as not to make contact ...

  • Page 21

    21 operation manual loading & unloading tooling these mills are equipped with a nt-30 spindle taper (bm-23a) with an 12mm drawbar and a nt-40 spindle taper (bm-53ve, bm-63ve) with a m16 spindle drawbar (fig. 17) drawbar upper portion fig. 17 loading tooling 1. Disconnect mill from power! 2. Clean an...

  • Page 22

    22 operation manual positioning headstock the head tilts 45° forward or backward and rotates 90° left or right (see fig. 19, 20 ). Any time the head has been tilted or rotated, you must square the spindle with the table when setting the headstock back to the 90° position. This is the only way to ens...

  • Page 23: Note:

    23 operation manual fig. 22 note: be sure to apply torque in two steps using a crossing pattern. Failure to do so could distort the face of the ram adapter. 4. Tighten the four hex nuts (a). Tighten in two steps using a calibrated torque wrench. Tighten initially to 25 foot-pounds, the tighten the f...

  • Page 24

    24 operation manual positioning the ram positioning the ram forward and backward 1. Disconnect machine from power 2. Loosen the two bolts (a, fig. 25) that lock the ram to its ways. Fig. 25 3. Make sure there are no obstructions to ram travel, especially any tooling around workpiece, then slowly rot...

  • Page 25

    25 operation manual before any maintenance is carried out on the machine, disconnect it from the electrical supply by re- moving the plug or switching off the main switch! Failure to comply may cause serious injury. Lubrication the milling machine is equipped with a “one-shot” lubrication system. Th...

  • Page 26

    26 operation manual gibs are tapered lengths of metal that are sandwiched between two moving surfaces. Gibs control the gap between these surfaces and how they slide past one another. Correctly adjusting the gibs is critical to producing good milling results. Tight gibs make table movement more accu...

  • Page 27

    27 operation manual troubleshooting read the troubleshooting section if a problem develops with your machine. If you need any assistance or additional help with a problem, call the technical support department. For spare parts go to www.Machineryhouse.Com.Au/contactus and fill out the enquiry form a...

  • Page 28

    28 operation manual symptom possible cause possible solution tool loose in spindle. 1. Tool is not fully drawn up into spindle taper. 2. Debris on tool or in spindle taper 3. Taking too big of a cut. 1. Spindle speed/feed rate is too fast. 2. Cutting tool is too small. 3. Cutting tool getting too ho...

  • Page 29: Spare Parts Section

    29 operation manual troubleshooting spare parts section the following section covers the spare parts diagrams and lists that were current at the time this man- ual was originally printed. Due to continuous improvements of the machine, changes may be made at any time without notification. How to orde...

  • Page 30

    30 operation manual bm-23a belt drive head page 30 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 31

    31 operation manual parts list for bm-23a head assembly index part no. No. Description size q’ty 1 la-072 draw bar nt30 (w7/16-20unf) 1 2 jtm4vs-a002b draw bar washer 1 3 la-071 upper bearing lock nut 1 4 la-070 bearing sleeve lock nut 1 5 bb-6207zz ball bearing 1 6 la-068 upper bearing spacer (smal...

  • Page 32

    32 operation manual index part no. No. Description size q’ty 69 ts-1503041 hex socket cap screw m6x16 1 71 bb-6208z ball bearing 6208z 2 72 jtm1-c72 snap ring r-80 1 73 jtm1-c73 lock washer 1 74 la-059 bearing lock nut 1 75 jtm1-c75 hardened nut w7/16 1 76 la-045 t-bolt 1 77 jtm1-c77 bolt washer w7/...

  • Page 33

    33 operation manual spindle assembly page 33 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 34

    34 operation manual list for spindle assembly index no. Part no. Description size qt 1 ts-1533042 screw m5×10 6 2 ha-002 bevel pinion washer 1 3 la-166a feed gear 1 4 la-161 shaft sleeve 1 5 la-162 worm cradle bushing 1 6 ts-1523011 set screw m6×6 9 7 la-163 worm cradle bushing 1 8 la-164 feed drive...

  • Page 35

    35 operation manual list for spindle assembly index no. Part no. Description size qty 71 ha-193 spring 10×20 1 72 la-016 quill housing 1 73 ts-1502081 hex socket cap screw m5×35 2 74 la-081 clutch ring pin 2 75 la-080 clutch ring 1 76 ts-1524011 set screw m8×8 1 77 lb-017 plastic ball 1 78 la-082 ov...

  • Page 36

    36 operation manual parts list for spindle assembly index no. Part no. Description size qty 125 la-126 handwheel 1 126 la-125 handle 1 127 la-050a spindle 1 128 la-060 quill skirt 1 129 la-048 lock nut 1 130 la-103 spring cover 1 131 bb-6206zz ball bearing 6206zz 1 132 la-104 hub sleeve 1 133 la-051...

  • Page 37

    37 operation manual bm-53ve upper head parts list page 37 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 38

    38 operation manual bm-53ve upper head parts list index no. Part no. Description size qty. 1 vs-001 upper housing 1 2 vs-002 motor pulley 1 vs-044a motor pulley bushing (not shown) 1 3 ts-1523011 set screw m6x6 4 4 vs-004 belt 1 5 vs-005 motor pulley disk 1 6 vs-006 motor pulley shaft 1 7 key7725 ke...

  • Page 39

    39 operation manual index no. Part no. Description size qty. 55 ts-1503061 hex socket cap screw m6x25 1 56 vs-056 brake lock handle 1 57 vs-057 plastic ball 2 58 vs-058 brake finger pivot stud 1 59 vs-059 brake stud 2 60 vs-060 snap ring s-8 2 61 ts-0561072 nut 5/8-18unf 1 62 vs-062 timing belt pull...

  • Page 40

    40 operation manual index no. Part no. Description size qty. 112 4vs-112 motor 1 113 vs-113 oval head screw 1/8x1/4 4 114 jtm1-001vs draw bar #30/nt40 1 115 jtm4vs-a002b draw bar washer 1 116 vs-116 key 1 117 vs-117 oval head screw 3/16x1/2 1 118 vs-007 snap ring 4 119 vs-005a plastic sleeve 2 120 j...

  • Page 41

    41 operation manual base assembly page 41 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 42

    42 operation manual parts list for base assembly index no. Part no. Description size qty 1 lb-001 set screw m6×30 2 2 lb-023 gear 1 3 lb-020 ram adapter 1 4 lb-004 snap ring 1 5 lb-005 rivet s-28 2 6 lb-027 adapter scale 5 7 lb-035 worm 1 8 lb-036 worm thrust washer 1 9 lb-034 shaft 1 10 lb-100 key ...

  • Page 43

    43 operation manual parts list for base assembly index no. Part no. Description size qty 55 ts-0561052 hex nut 1/2”-20unf 1 56 lk-058 key 4×4×30 1 57 lk-022 washer 1 58 mk-021 bevel gear 36t 1 59 bb-6306zz ball bearing 6306zz 2 60 mk-019 bearing retainer ring 1 61 mk-016 elevating screw 1 62 lk-037 ...

  • Page 44

    44 operation manual lead screw assembly page 44 instructions manual for bm-23a (m595d) 12/02/2018.

  • Page 45

    45 operation manual lead screw parts list i ndex part no. No. Description size qty. 1 d-1 nut 1/2”-20nf 3 2 d-2 handle 3 3 d-3 ball crank 3 4 d-4 dial lock nut 3 5 d-5 dial 3 6 d-6 dial holder 3 7 ts-1503031 hex socket cap screw m6*12 9 8 d-90 bearing stop 3 9 bb-6204zz ball bearing 6204zz 5 10 d-10...

  • Page 46

    46 operation manual one shot lubrication diagram index no. Part no. Description size qty 1 cla-8 hand oiler 1 2 almp-04 aluminum pipe 13.5 1 3 a-8 oil regulating distributor 1 4 a-4 oil regulating distributor 1 5 a-5 flexible steel tube 4x550 1 6 ph-4011 elbow joint 2 7 pa-401 elbow joint 6 8 pa-4 t...

  • Page 47

    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 48

    Milling machine safety instructions 1. Maintenance. Make sure the mill 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. Mill condition. Mill must be maintained for a...

  • Page 49: Plant Safety

    Manager: milling mac hine low crushing authorised and signed by: o other hazards, noise. Low w ear hearing protection as required. 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...