1995 DRAKE 12X45

Drake CNC Thread Grinding Machine
Model 12-45 New 1995/2003
Control: Fanuc O-M 5-Axis CNC Controller
w/AC spindle servo drive

These machines where originally J&L thread grinders, completely stripped
and remanufactured by Drake Mfg in Ohio. The machines were designed for the
production grinding of several threads, taps,  worms, and external grooves
required for customers high accuracy parts such as power steering units,
ballscrews, and thread gages.

Machine General part capacities are as follows:
Maximum outside diameter.................................................12"
Maximum length of part...................................................45"

Machine Ranges and Specifications: 
Length between Centers..............................................1150 mm 
Maximum Thread length................................................500 mm 
Maximum Workpiece Diameter...........................................300 mm
Lead Range......................................................0 to 999 mm
Lead Angle............................................................. ±30°  
Maximum Pitch..................................Module 12 mm (17 mm Optional) 
Maximum Form Width....................................25 mm (32 mm Optional) 
Wheel Spindle Power..................................7.5 kW (11 kW Optional) 
Wheel Peripheral Speed..............................(vc is constant) 60 m/s 
Standard Grinding Wheel Range: 
-Outside Diameter.............................................380 to 490 mm 
-Width..........................................10 to 25 mm (32 mm Optional) 
-Bore................................................................254 mm 
Workhead Speed Max..................................................300 rpm 
Rapid Return Speed.................................................10 m/min 

Total Electrical Requirements..........................10 kVA (Up to 32 kVA) 
Voltage...........................................................200-600 V 
Weight.............................................................5,000 kg 
Machine Dimensions: 
Overall............................................2.3m L x 1.9m D x 2.2m H 
Workholding Height........................................ 1.1m above floor 
Coolant Discharge Height................................... .6m above floor 
 
Minimum Coolant Requirements: 
-Grind.......................................................30 lpm @ 7 bar 
-Bed Wash..................................................30 lpm @ 1-2 bar 
-Total Flow..................................................60 lpm (15 gpm)
 
Diamond Roll Dresser: 
-Diameter.....................................................114 to 125 mm 
-Width..........................................................Up to 32 mm 
-Bore...............................................................25.4 mm
-Bolt Circle (3 x M5 SHCS @ 120°)..................................44.45 mm

Equipped with The Following: 
Fanuc O-M 5-Axis CNC Controller with A/C servo main spindle motor drive 
Operator panel with Pendant Control
Hollow shaft servo motor on work spindle
Full Drake software package for machine operation and part selection
Integrated CNC Diamond Disc dressing unit (Rear Location)
Wheel Balancing System
Coolant System with paper filtration unit 
Free Standing JIC panel houses the Controls 
Dust Collection/Mist Collection unit 
Trabon Lube System
Stainless Steel Guarding and full enclosure
Books and Manuals

NOTE: Please note that the Machine shares the Filtration unit with it's
sister machine which is a Drake Model 6 x 36 .We are offering out as a
special package together! PLEASE INQUIRE!!

Visit our NC plant for Inspection and under power testing.