Crown Grinders
Grind drums for tapered roller bearings
We are seeking an Electrician to work at our Warren, Ohio headquarters. The Drake Electrician works
day turn hours, inside – out of the elements, wiring new machines, troubleshooting, installing, and providing
service on older machines. Join our team that produces custom precision grinding machines.
Qualifications
- Graduate of technical school, electrical apprenticeship, or at least two years of related work experience
- Must have the ability to work in close vicinity of high-powered magnets
- Competence in reading blueprints, schematics, and multimeter
- Overall understanding of panel wiring; machine function; fits/alignments; CNC operation; and technical, problem-solving, and mechanical aptitude
- Ability to use drill presses and band saw
- Must be willing to travel at least 6 days per quarter to customer sites
- Safety and Quality conscious individual
- Ability to communicate effectively with customers and other Drake Employees
Apply Today!
https://recruiting.myapps.paychex.com/appone/MainInfoReq.asp?R_ID=4314415
We are seeking an Electrician to work at our Warren, Ohio headquarters. The Drake Electrician works
day turn hours, inside – out of the elements, wiring new machines, troubleshooting, installing, and providing
service on older machines. Join our team that produces custom precision grinding machines.
Qualifications
- Graduate of technical school, electrical apprenticeship, or at least two years of related work experience
- Must have the ability to work in close vicinity of high-powered magnets
- Competence in reading blueprints, schematics, and multimeter
- Overall understanding of panel wiring; machine function; fits/alignments; CNC operation; and technical, problem-solving, and mechanical aptitude
- Ability to use drill presses and band saw
- Must be willing to travel at least 6 days per quarter to customer sites
- Safety and Quality conscious individual
- Ability to communicate effectively with customers and other Drake Employees
Apply Today!
https://recruiting.myapps.paychex.com/appone/MainInfoReq.asp?R_ID=4314415
We are seeking an Electrician to work at our Warren, Ohio headquarters. The Drake Electrician works
day turn hours, inside – out of the elements, wiring new machines, troubleshooting, installing, and providing
service on older machines. Join our team that produces custom precision grinding machines.
Qualifications
- Graduate of technical school, electrical apprenticeship, or at least two years of related work experience
- Must have the ability to work in close vicinity of high-powered magnets
- Competence in reading blueprints, schematics, and multimeter
- Overall understanding of panel wiring; machine function; fits/alignments; CNC operation; and technical, problem-solving, and mechanical aptitude
- Ability to use drill presses and band saw
- Must be willing to travel at least 6 days per quarter to customer sites
- Safety and Quality conscious individual
- Ability to communicate effectively with customers and other Drake Employees
Apply Today!
https://recruiting.myapps.paychex.com/appone/MainInfoReq.asp?R_ID=4314415
We are seeking an Electrician to work at our Warren, Ohio headquarters. The Drake Electrician works
day turn hours, inside – out of the elements, wiring new machines, troubleshooting, installing, and providing
service on older machines. Join our team that produces custom precision grinding machines.
Qualifications
- Graduate of technical school, electrical apprenticeship, or at least two years of related work experience
- Must have the ability to work in close vicinity of high-powered magnets
- Competence in reading blueprints, schematics, and multimeter
- Overall understanding of panel wiring; machine function; fits/alignments; CNC operation; and technical, problem-solving, and mechanical aptitude
- Ability to use drill presses and band saw
- Must be willing to travel at least 6 days per quarter to customer sites
- Safety and Quality conscious individual
- Ability to communicate effectively with customers and other Drake Employees
Apply Today!
https://recruiting.myapps.paychex.com/appone/MainInfoReq.asp?R_ID=4314415
We are seeking an Electrician to work at our Warren, Ohio headquarters. The Drake Electrician works
day turn hours, inside – out of the elements, wiring new machines, troubleshooting, installing, and providing
service on older machines. Join our team that produces custom precision grinding machines.
Qualifications
- Graduate of technical school, electrical apprenticeship, or at least two years of related work experience
- Must have the ability to work in close vicinity of high-powered magnets
- Competence in reading blueprints, schematics, and multimeter
- Overall understanding of panel wiring; machine function; fits/alignments; CNC operation; and technical, problem-solving, and mechanical aptitude
- Ability to use drill presses and band saw
- Must be willing to travel at least 6 days per quarter to customer sites
- Safety and Quality conscious individual
- Ability to communicate effectively with customers and other Drake Employees
Apply Today!
https://recruiting.myapps.paychex.com/appone/MainInfoReq.asp?R_ID=4314415
TECHNICAL SPECIFICATIONS
GS:CG
| MACHINE SPECIFICATION | GS:CG |
| Work Axis Stroke (Z-axis) | 750 mm |
| Work Table Length | 1300 mm |
| Work Table Width | 480 mm |
| Wheel Center Line to Work Table Top | 330 mm |
| Wheel Axis Stroke (X-axis) | 160 mm |
| Max Part Diameter | 355 mm |
| Min Part Diameter | 100 mm |
| Max Grind Length (Centered on Pivot) | 750 mm |
| Longest Part (Bearing End-to-End | 900 mm |
| Max Work Height Above Wheel C/L | 25 mm |
| Min Work Height Above Wheel C/L | 25 mm |
| Programmable Lead | 0 to 999 mm |
| Lead Angle Range | 0 to +10 angle |
| Programmable Thread Starts | 999 |
| Minimum Crown Radius | 1.9 m |
| Maximum Crown Radius | 999 m |
| Form Width Maximum | 63 mm |
| Form Depth Maximum | 25 mm |
| Wheel Spindle Power | 22 kW |
| Wheel Peripheral Speed (vc is constant) | 40 m/s |
| Wheel Spindle Bearing Construction | Hydrostatic |
| Standard Grinding Wheel Range: | |
| Outside Diameter (New Wheel) | 500 mm (580mm) |
| Outside Diameter (Spent Wheel) | 400 mm |
| Width | 25 to 80 mm |
| Bore | 203.2 mm |
| Work head Speed (50:1 gear box) | Up to 200 rpm |
| Rapid Return Speed | Up to 10 m/min |
| Number of CNC Axes | 7 (includes helix) |
| Positioning Method Linear Axes (X, Z) | Fanuc Linear Motors |
| Positioning Method Pivot Axis (B) | Ball Screw and Fanuc Servo |
| Positioning Method Wheel Head Angle (A) | Lead Screw (Manual or Servo) |
| Positioning Method Rotary Axis (C) | Servo and Gear Box |
| Positioning Method Dresser Axes (W,Y) | Ball Screws and Fanuc Servos |
| Position Feedback | Heidenhain Scales |
| Linear Ways | Rails and Recirculating Roller Cars |
| Base Construction | Quartzite Epoxy Polymer |
| Tables and Slides Construction | Cast Iron |
| Total Electrical Requirements | 52 kVA |
| Voltage | 200-600 V |
| Weight | 12,000 kg |
| Machine Dimensions: | |
| Overall | 2.4m W x 2.6m D x 2.2 H |
| Workholding Height | 1.1 m above floor |
| Coolant Discharge Height | 0.5 m above floor |
| Machine Color | RAL 9003 “Signal White” |
| Guards | Stainless Steel |
| Minimum Grind Coolant Requirements: | |
| Grind | 100 lpm @ 7 bar |
| Bed Wash | 30 lpm @ 1-2 bar |
| Total Flow | 130 lpm |
| 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 |


