CNC Double Column Milling Machine

CNC Planomiller

Double Could CNC Mill revised

Currently we are working on a Large Double Column Vertical Mill/Drill Machine which has a table of 6000x1500mm, stroke of 6230mm and admit between columns is 2000 mm. The complete specification of this machine is given below:

TECHNICAL SPECIFICATION:

Machining Capabilities
Drilling Capacity Solid U drill of upto Ø 50 mm
Tapping Capacity Upto 48 mm rigid tapping
Milling Capacity Ø250 mm cutter
X axis – Table
Stroke 6230 mm
Table size 6000 mm x 1500 mm
Admit between columns 1900 mm
Max. Job weight that can be supported 15 tones
Bed size/type Approx. 12000 mm segmented casting
Guideway details Ground LM guides and blocks
Rapid traverse rate 5000 mm/min
Feed traverse rate 30-5000 mm/min
Feedback system Rotary encoder fitted on ball screw
Motor Power 80 Nm
Drive system Servo driven in combination with planetary gear box reduction and ball screw-ball nut arrangement.
Ball screw Ø100, 20 pitch, double nut, C3 class, ground and preloaded
Telescopic cover protection Metallic telescopic covers
Positional Accuracy ±10µm for 300 mm with a maximum 0.05mm over the entire length post laser calibration.
Repeatability ±10µm
Lubrication system for axes Centralized lubrication system integrated with controls
Slide end stop limit switch arrangement 1st safety precaution is soft limit in servo program, 2nd safety precaution is multiple plunger type limit switch which ensures fail proof stopping and 3rd precaution is a mechanical dead stop.
Wipers for slide will be provided
Y axis – Cross Slide
Type Bridge type resting on two columns
Stroke 1800 mm
Guideway details Ground LM guides and blocks
Rapid traverse rate 5000 mm/min
Feed traverse rate 30-5000 mm/min
Feedback system Linear scale
Motor Power 36 Nm
Drive system Servo driven in combination timer belt – pulley and ball screw-ball nut arrangement.
Ball Screw Ø63, 10 pitch, double nut, C3 class, ground and preloaded
Positional Accuracy ±10µm for 300 mm. 0.05mm for entire length post laser calibration.
Repeatability ±10µm
Bellow cover protection Collapsible bellows
Lubrication system for axes Centralized lubrication system integrated with PLC
Slide end stop limit switch arrangement 1st safety precaution is soft limit in servo program, 2nd safety precaution is multiple plunger type limit switch which ensures fail proof stopping and 3rd precaution is a mechanical dead stop.
Wipers for slide will be provided
Z axis – Vertical Stoke
Stroke 1000 mm
Guideway details Combination of male case hardened guide strips and female turcite lining.
Rapid traverse rate 5000 mm/min
Feed traverse rate 30-5000 mm/min
Feedback system Linear scale
Ram size minimum 300 square
Motor Power 48Nm with brake
Drive system Servo driven in combination timer belt – pulley and ball screw-ball nut arrangement.
Ball Screw Ø63, 10 pitch, double nut, C3 class, ground and preloaded
Positional Accuracy ±10µm for 300 mm. 0.05mm for entire length post laser calibration.
Repeatability ±10µm
Counter balance Hydraulic
Slide end stop limit switch arrangement 1st safety precaution is soft limit in servo program, 2nd safety precaution is multiple plunger type limit switch which ensures fail proof stopping and 3rd precaution is a mechanical dead stop.
Slide cover protection Collapsible bellows at bottom and modular type sheet metal guard at the top.
Wipers for slide will be provided
Axis correction about Z axis Spigot with bolts will be provided on the ram housing.
Spindle Head & Spindle drive
Tool clamping taper of spindle ISO-50
Tool Locking system Through belivelli spring stack and hydraulic push cylinder.
Capacity of tool holder max Ø250 mm cutter
Spindle Bearing configuration Match pair angular contact bearings
Spindle speeds Upto 2500 RPM
Spindle drive Timer belt driven. No gear drive involved.
Main Spindle motor rating 18 KW
Feedback system Rotary encoder
Coolant system Spindle Thru coolant with air blast fitter with NRV. External flush coolant also provided. Coolant pressure-flow of 20 Bar and 30 LPM.
Other Equipment
Operators control station Will be provided
Chip Conveyor Two screw conveyors provided on either side of the machining side in two steps, leading to a belt type chip conveyor.
Coolant tank Integrated with chip conveyor and having sufficient large capacity with baffles and effective filtration system to avoid fine dust/chips to enter into the working system.
CNC controller Siemens – Sinumerik 828 D
Servo Motors Sinamic IFK7 series
Spindle servo motor IPM8 series
Drive for spindle & axes S120 series
MPG Siemens make
3 tier lamp Provided
Machine guard Modular type guard with an average height of 2m from the ground. Sliding door at the operator’s position. Hinged doors at front and back. The guard will also have transparent acrylic sheet for ease of viewing the machine and job.

We specialize in custom-built machines in metal cutting. We offer CNC controlled SGPMs (Special Purpose General Machines). The machine that is being showcased is a custom-built machine, but is capable of doing all milling, drilling operations, apart from rigid tapping. It has a stationary bed, on which the table moves longitudinally (to and fro).

 

  • The machine is suitable for milling and drilling upto Ø 50 mm in 2250 mm long x 1250 mm wide x 25 mm thick plate with in-built rigid tapping capability.
  • Working height: 600 to 700 mm
  • Ram type drilling head with ISO-50 spindle; ram stroke to form the vertical axis.
  • Ram: 250 mm square, having 350 mm vertical stroke
  • Daylight: 500 mm
  • Powered arbor clamping, declamping system
  • Provision for external or thru- coolant (with geared pump), capacity: 40 bar/40LPM
  • LM/hardened & ground guide way strips for male sliding surfaces, turcite for female sliding surfaces.
  • Ball screws & nut for all the 3 axes
  • Metallic, collapsible guide way covers for the table; bellows for the cross and vertical axes.
  • Machine enclosure, if ordered
  • T slots provided on the table to facilitate mounting of any type of fixture.
  • Lapp cables
  • Screw type chip conveyor
  • Drag chain for cables
  • Coolant filtration for 15 microns
  • Spindle speeds: 30 to 3000 RPM
  • Angular contact bearings for spindle support
  • Positioning accuracy: 10 microns
  • The Siemens CNC package for the 3 axes drive, spindle drive, PLC & HMI to contain the following:

1) Servo motor 1FK7 27 Nm / 2000 RPM with Natural cooling for 3 axes drive
2) Compact Induction motor of 17 KW / 1000 RPM / 162.3 Nm with 43 Amps capacity
3) CNC System Sinumeric 802D SL with Machine control panel & Full CNC keyboard
3) Sinumeric module of PP 72 / 48 I/O4) Line Filter as well as Line Reactor for the Power module
5) Sinamic Smartline Power module for 36 KW / 600 VDC
6) Sinamic S120 Single motor module, Double motor module & Spindle module
7) Profibus connectivity for the above8) Electronic Hand wheel

Video :-

 

 

 

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