VERTICAL MACHINING CENTERS (VMC)
BMV 80 (Vajra)
For precise machining of large components!
Technology : Fixed-column VMC
Product Brief
  • The CE marked Vajra stands true to international standards. 
  • The rigid structure of the Vajra has been created specially for your long run with profits.
  • The optimally designed Vajra is your best choice for cost effective machining.
  • The arm type tool magazine uses variable pocket coding. Linear motion guide-ways, variable speed AC spindle drives, and CNC system with digital drive 
  • are some outstanding features of this BMV series vertical machining center

Overview

  • Brand Story 

    Vajra is a Sanskrit word meaning both thunderbolt and diamond. IT symbolizes Rigidity & Sharpness.

  • Unique Selling Features 
    • High quality balanced spindle on large precision bearings eliminates vibration and offers accurate machining under heavy load.
    • TC 24 high speed 24-pocket arm type tool magazine reduces non-cutting time.
    • It caters global needs.

Features

  • Standard Feature 
    • Ac servo drives
    • AC variable speed spindle motor
    • Hardened and ground ball screws
    • Feedback through absolute encoder
    • Automatic tool clamping - unclamping
    • ​Centralized automatic lubrication
    • Spindle taper air blow
    • Telescopic covers with wipers
    • Full machine guard
    • Manual pulse generator
    • RS232 serial / USB interface
    • Leveling pads
    • Maintenance tool kit
    • Coolant gun
    • Air gun
    • 3 Tier lamp
    • Ring coolant around spindle 
    • Rigid tapping*
    • AC for electrical cabinet
    • Front chip disposal
    • Hydraulic counterbalance with Siemens/Mitsubishi controllers
  • Optional Feature 

    SPINDLE OPTIONS

    • Higher spindle rpm with chiller unit
    • Higher spindle power

    ATC OPTIONS

    • 30 Tools automatic tool changer
    • 40 Tools automatic tool changer 

    MACHINE OPTIONS

    • Air nozzle
    • Automatic front door
    • Edge finder
    • Rear chip disposal
    • Chip conveyor in lieu of coolant tank with chip tray
    • 2 /3 axis with linear glass scale feedback
    • Chain type automatic pallet changer with twin pallets
    • 16 / 25 / 40 bar coolant through spindle
    • Provision for 4th and 5th axis rotary table
    • 4th axis rotary table
    • Voltage stabilizer
    • Ultra isolation transformer
    • Increased day light area through column raiser block
    • Half machine guard with base mounted pendant
    • Spindle mounted probe
    • Table mounted probe
    • Hard part probing (Fanuc, Siemens, Mitsubishi)

     

Specifications

  • CAPACITY 
    Specification Unit BMV 80 (Vajra) BMV 80 (Vajra) BMV 80 (Vajra)
    Table longitudinal travel (X - Axis) mm 2000
    Table cross travel (Y - Axis) mm 810 810 810
    Headstock travel (Z - Axis) mm 810 810 810
    Spindle nose face to table top mm 100 - 910 100 - 910 100 - 910
    Increased daylight area with column height block (Optional) mm 480 - 1290 480 - 1290 480 - 1290
    Distance from Floor to table mm 1200 1200 1200
    Spindle center - column front distance mm 825 825 825
  • TABLE 
    Specification Unit BMV 80 BMV 80TC24 BMV 80TC20
    Table size mm 2400 x 810 2400 x 810 2400 x 810
    T - Slot (No. / Size / Pitch) mm 5/18/150 5/18/150 5/18/150
    Max. Load on table Std. Kg 2500 2500 2500
  • SPINDLE & AXIS 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Spindle taper - BT-40 BT-40 BT-50
    Spindle speed - Std. rpm 6000 6000 6000
    Spindle speed - Opt.1 rpm 8000 8000 8000
    Spindle speed - Opt.2 rpm 10000 10000 NA
    Spindle speed - Opt.3 rpm 15000 (motorized) 15000 (motorized) NA
  • AUTOMATIC TOOL CHANGER 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Tool change system - NA Twin Arm  Twin Arm 
    Tool storage capacity - Std. / Opt. Nos. - 24 20
    Pull Stud - MAS 403-P40T-I MAS 403-P40T-I MAS 403-P50T-I
    Max. Tool dia with all pockets full mm - 75 130
    Max. Tool dia with adjacent pockets empty mm - 140 220
    Max. Tool length mm - 250 250
    Max. Tool weight kgs - 8 15
    Tool to tool time sec. - 2.5 4.8
  • AUTOMATIC PALLET CHANGER 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Type of APC - NA Chain type Chain type
    Number of pallets Nos. NA 2 2
    Pallet size mm x mm   NA  2000 x 750 2000 x 750
    Maximum safe load per pallet Kgs NA 1500 1500
  • INSTALLATION DATA 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Floor Space (L x B) mm x mm 5400 x 3450 5400 x 3450 5400 x 3450
    Machine height (H) mm  4000 4000 4000
    Basic machine weight kgs 17000 17300 17550
    Total connected load (Basic standard machine) kVA 50 53 52
    Total connected load (Basic standard machine with High Power spindle) kVA 60 63 62
  • SPINDLE POWER -STD 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Fanuc / Mitsubishi, Cont./30 min. rating kW 15/18.5 15/18.5 15/18.5
    Siemens, cont./ S6-40% rating kW 15/22.5 15/22.5 15/22.5
  • SPINDLE POWER - OPT(High power) 
    Specification Unit BMV 80 (Vajra) BMV 80TC24 BMV 80TC20
    Fanuc / Mitsubishi, Cont./30 min. rating kW 18.5/22 18.5/22 18.5/22
    Siemens, cont./ S6-40% rating kW 18.5/27.8 18.5/27.8 18.5/27.8
    Rapid traverse - X/Y/Z - Std. m / min 15 15 15
    Feed rate mm / min 1 - 10,000 1 - 10,000 1 - 10,000
 
Applications
  • Con rod
  • Cylinder Block
  • Globe value body
  • Tractor Hsg
  • Con rod
  • Cylinder Block
  • Globe value body
  • Tractor Hsg
 
Case Study
 
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