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 skroef	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
Spil spoed	Upto 2500 RPM
Spindle drive	Timer belt driven. No gear drive involved.
Main Spindle motor rating	18 KW
Feedback system	Rotary encoder
Koelmiddel stelsel	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 vervoerband	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 & byle	S120 series
MPG	Siemens make
3 tier lamp	Provided
Masjien wag	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.

Ons spesialiseer in persoonlike-gebou masjiene in die sny van metaal. Ons bied CNC SGPMs (Spesiale Purpose Algemene Machines). Die masjien wat tans ten toon gestel is om 'n persoonlike-gebou masjien, maar in staat is om te doen al die kere, boorwerk, afgesien van stewige afluister. Dit het 'n stilstaande bed, waarop die tafel lengte beweeg (heen en weer).

• Die masjien is geskik vir maal en boor upto Ø 50 mm in 2250 mm lank x 1250 mm breed x 25 mm dik plaat met ingeboude styf afluister vermoë.
• Werk hoogte: 600 te 700 mm
• Ramtipe boor kop met ISO-50 spil; ram slag die vertikale as te vorm.
• Ram: 250 mm vierkantige, met 350 mm vertikale beroerte
• Daglig: 500 mm
• Aangedryf arbor klem, declamping stelsel
• Voorsiening vir eksterne of thru- koelmiddel (met gerat pomp), kapasiteit: 40 bar / 40LPM
• LM / geharde & grond gids pad stroke vir manlike gly oppervlaktes, turcite vir vroulike gly oppervlaktes.
• Ball skroewe & neut vir al die 3 byle
• Metaal, opvoubare gids manier dek vir die tafel; blaasbalk vir die kruis en vertikale asse.
• Masjien hok, indien bestel
• T slots wat op die tafel bevestiging van enige tipe wedstryd te fasiliteer.
• Laplander kabels
• Skroef tipe chip vervoerband
• Sleep ketting vir kabels
• Koelmiddel filtrasie vir 15 mikron
• Spil spoed: 30 te 3000 RPM
• Hoek kontak laers vir spil ondersteuning
• Posisionering akkuraatheid: 10 mikron
• Die Siemens CNC pakket vir die 3 byle ry, spil ry, PLC & HMI die volgende te bevat:

1) Servo motor 1FK7 27 Nm / 2000 RPM met natuurlike verkoeling vir 3 byle ry
2) Compact induksiemotor van 17 KW / 1000 RPM / 162.3 Nm met 43 Amps kapasiteit
3) CNC System Sinumeric 802D SL met masjien beheer paneel & Volle CNC klawerbord
3) Sinumeric module van S 72 / 48 Ek / O4) Line Filter sowel as lynreaktor vir die Power module
5) Sinamic Smart Line Power module vir 36 KW / 600 VDC
6) Sinamic S120 Enkel motor module, Double motor module & Spil module
7) Pofibus verbinding vir die above8) Elektroniese Hand wiel

Video :-