C.F. Roark Welding & Engineering Co., Inc.

Trust Roark for Complex Metal Fabrication

Roark Certifications 2022

Capabilities

Electron Beam Welding

  • 1 Probeam EB – 30 KW CNC – 138 x 107 x 108″
  • 1 Sciaky EB – 42 KW CNC – 138 x 107 x 108″
  • 1 Sciaky EB – 30 KW CNC – 86 x 62 x 92″
  • 3 Hamilton Standard 7.5KW – 52 x 36 x 36″
  • 1 Leybold-Heraeus 7.5 KW – 52 x 36 x 42″
  • 1 Sciaky EB – 30 KW – 68 x 58 x 78″
  • 1 LaserStar Fiber Laser Welder – 300 watt
  • 2 Hamilton Standard 6.0 KW – 52 x 36 x 36″
  • 3 Hamilton Standard 6.0 KW – 36 x 23 x 30″
  • 1 Hawker Siddeley 6.0 KW – 52 x 23 x 30″
  • 1 Hamilton Standard 6.0 KW – 36 x 36 x 36″
  • 1 Hamilton Standard 6.0 KW – 36 x 23 x 30″
  • 1 Leybold-Heraeus 7.5 KW – 52 x 36 x 42″
 

Welding

TIG Welding

  • NADCAP – D17.1
  • ASME – Pressure & Boiler Codes Sections V/VIII/IX
  • NAVSEA Tech Pub 010/248 (TIG / Flux Core)

Resistance Welding

  • 3 Sciaky Spot Welders 60-150 KVA
  • 3 Sciaky Seam Welders 125-250 KVA
  • 1 Federal Tweezer Welder
  • 1 Projection Welder 100 KVA

NADCAP – D17.2

Laser Welding & Cutting

  • Trumpf TLC Cut 5
  • CO2 (2.7 KW) 5axis 10’x4’x2’

EDM

Wire EDM

  • Mitsubishi MV4800S 
  • 31.5” x 23.6” x 20.1” XYZ Capacity

EDM Hole Drilling

  • 5-Axis 
  • 40″ x 40″ x 24″ XYZ Capacity
  • 28″ W-Axis Travel for Tall Parts
  • .004″ – .256″ Hole Diameters

Turning, Milling, Drilling

Machining/Turning

  • CNC Turning from < 1” to 60” diameter
  • Manual Turning to 74” diameter
  • Toshiba TUE-15 60” diameter
  • Monarch VLN-12 48” diameter
  • W&S 3SC 24” diameter
  • Okuma & Howa 2SP-V55 Twin Spindle – 15” diameter

Horizontal Machining Centers

  • Up to 50 inch cubes
  • Toshiba BTD-200QF 40” Cube – 4/5 axis
  • Haas EC 1600ZT 50” Cube – 4 Axis

Horizontal/Vertical Machining – 5 Axis Machining

  • Up to 40 inch cube
  • Deckel Maho DMU 125P

  • Spindle Speed 18,000 RPM

Forming

Brake Press

  • 1 – 175 Ton Cincinnati – 10′ width

Punch Presses 

  • 3 – 90 Ton Horn
  • 3 – 125 Ton OBI
  • 1 – 175 Ton Gap

Hydraulic Presses

  • 3 – 100 Ton Hannifin
  • 1 – 500 Ton Triple Action HPM
  • 5 – Expanders ( 350 Ton max) – Various sizes
  • 1 – 175 Ton Cincinnati OBS
  • 1  – 75 Ton Cincinnati OBS

Rolls – Plate/Sheet

  • 2  – Up to 3/8” capacity – 4 foot width

3D Scanning

MetraScan 3D Optical Scanning System