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Custom Precision Machining

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Our 40,000 square foot facility is equipped with 2, 4, 5, & 9 axis CNC turning centers plus 3 & 5 axis CNC milling machines to meet your custom precision machining needs. We use our 'Lights Out' manufacturing capability to maximize our production efficiency and reduce turnaround time. These CNC machines enable us to produce custom components ranging from simple fasteners to complex machine components, while maintaining tight straightness, concentricity, and diameter tolerances close to 0.001".

Typical materials that we process include alloy steel, carbon steel, aluminum, and stainless steel. Our largest lathe can handle parts up to 26" in diameter and 59" in length. Splining, hobbing, and broaching machines at our job shop enable us to manufacture a diverse range of spline profiles, gears, and sprockets. We also produce exotic and precious metal components as well as parts machined from plastic polymers. For building 2-D or 3-D component models, our design team uses CAD/CAM software such as SolidWorks and CADKey.

MasterCam and MasterCamX2 software are used to create CNC machine programs for manufacturing complicated parts and prototypes. For every job, Harvan creates a process sheet that lists all the operations required for manufacturing parts to customer specifications. An extensive range of quality control equipment, including a CMM, height gauges, surface & harness testers, and gauges ensure compliance to exact customer specifications. In addition to precision machining, Harvan offers value added services such as dynamic balancing, pretwisting, polishing, and finishing.




Specifications  · Equipment List

Specifications

Industry Focus
Aerospace
Agricultural
Forestry
Architectural
Transportation
Food
Medical
Military/Defense
Nuclear
Energy
- Oil
- Gas
Packaging/Converting
Pulp
Industrial Valve & Controls
- Marine
- Petrochemical
- Chemical Processing
Off-road vehicles and Heavy Truck

Intended Applications
Bushings
Construction Equipment
Control Arms
Fasteners
Fittings
Forgings/Castings
High Speed Blowers
Hydraulic Components
Machine Components
Shafts
Spacers
Spindles
Torsion Bars
Turbine components
Valves

Machining Processes
Spline
Parting/Cutting
Facing
Turning
- Contour Turning
- Form Turning
- Taper Turning
- Straight Turning
Threading
- External
- Internal
Internal Forming
Knurling
Boring
Gear Hobbing
Broaching
Drilling
Counterboring
Countersinking
Pocketing
Profiling
Reaming
Tapping
Thread Milling

Materials (Metals)
Alloy Steels
Aluminum
Beryllium
Brass
Bronze Alloys
Carbon Steel
Cobalt
Copper
Iron
Molybdenum
Nickel
Nickel Alloys
Stainless Steel
Stellite (Hardfacing)
Tin
Titanium
Tungsten
Zinc

Materials (Exotic & Precious Metals)
Hastelloy
Inconel
Invar
Monel
Superalloys

Materials (Plastic Polymers)
Plastics - Food Grade

Software Used
CADKey
Epicor Vantage Shop Control System
Epicor Vista
MasterCam
MasterCamX2
SolidWorks

Fixturing
Three-jaw Chuck
Four-jaw Chuck
In House Fixtures
Pallet System
- 2 Pallet Milling Machines

Equipment Capabilities
Bar Feed Reverse Engineering
CNC Control Capabilities

Secondary Services Offered
CAD/CAM Engineering Support
Dynamic Balancing (32" Dia max, single plane, 100 lbmax, ± 0.7 gm.cm)
Lapping, Burnishing, Cylindrical, and Centerless Grinding to Finish
Pretwisting and Polishing of Torsion Bars
Rapid Prototyping (3D printing)

Advantages of CNC Machining
Materials Compatible
Short Lead Times
Tight Tolerances

Tolerances
Straightness : ± 0.001 in
Concentricity: ± 0.001 in
Diameter (outer/inner): ± 0.001 in
Length (over 90 in): ± 0.010 in

Part Length
0.25 to 59 in (120 in thru chuck)

Production Volume
1 unit to 5000 units per month
Prototype to Mid Volume

Lead Times Available
4 weeks to 16 weeks
Quoted on job by job basis, material dependant
Rush Services Available

Industry Standards
ANSI - American National Standards Institute
AS - Aerospace Industry Standard
ASME - American Society of Mechanical Engineers
ASTM - American Society for Testing and Materials
CGP (Certified) - Controlled Goods Program
CSA - Canadian Standards Association
CWB - Canadian Welding Bureau (Division 3 Certification)
DOT - Department of Transportation
FDA - Food And Drug Administration
ISO - International Organization for Standardization - 9001:2008
Mil-Spec - Military Specifications
RoHS - Restriction Of Hazardous Substances (Compliant)

Efficiency
Lights Out Manufacturing Available

File Formats
AutoCAD (DWG,DWZ)
BMP - Bit Mapped Graphics
Catia (CATDrawing,CATPart)
DXF - Drawing Interchange Format, or Drawing Exchange Format
GIF - Graphics Interchange Format
IGES - Initial Graphics Exchange Specification, ANSI file format.
Inventor (IDW, IPT)
JPG or JEPG - Joint Photographic Experts Group
MasterCam (MDX, MC8, MC9, SET)
PDF - Portable Document Format
Pro-E or Pro/Engineer (DRW,PRT,XPR)
SolidWorks (SLDPRT,SLDDRW,SLDDRT)
STEP - Standard for the Exchange of Product Model Data
TIFF - Tagged Image File Format


Equipment List

9 Axis CNC Turning Machines
1 - Mori Seiki MT 2000SZ, Lathe-Mill Combo, 20" swing x 40" centers, SMW barfeeder, 2005

9 & 5 Axis CNC Turning Machines
1 - Mori Seiki NT 4300DCG/1500SZ, Integrated Mill/Turn Centre, Max turning diameter 26", Max turned length 59", 2008

4 Axis CNC Turning Machines
  • 1 - Mori Seiki ZL-25B/1000, 14" swing x 40" centers, Fanuc 16TT-A Control, 2006
  • 1 - Mori Seiki ZL-25B/1000 14" swing x 40" centers, Fanuc 16TT-A Control, 1996
  • 1 - Mori Seiki ZL-25B/500 14" swing x 20" centers, Fanuc 16TT-A Control, 2002
  • 1 - Mori Seiki ZL-250/600 14" swing x 24" centers, Fanuc 18TT-A Control, 2004
  • 1 - Mori Seiki NL2500Y-700 14" swing x 27" centers, 2007
  • 1 - Mori Seiki NL2500Y-700 14" swing x 27" centers, 2005
  • 1 - Mori Seiki NL3000Y-700 16.5" swing x 27" centers, 2006
  • 1 - Mori Seiki NL1500-700 14" swing x 20" centers, 2006
  • 1 - Mori Seiki NL2500Y-700SY 14" swing x 27" centers, sub-spindle, 2008
  • 1 - Mori Seiki NL3000Y/1250, 16.5" swing x 49" centers, 2010
  • 2 - Okuma LR-15 14" swing x 20" centers, OSP 5000 Controls, 2000

2 Axis CNC Turning Machines
  • Mori Seiki SL-4 16” swing x 18" centers, 2 Axis Fanuc 11T Control, 1995
  • Mori Seiki SL-4 16” swing x 18" centers, 2 Axis Fanuc 11T Control, 1993
  • Mori Seiki SL-15 12” swing x 18" centers, 2 Axis Fanuc 10T Control, 1988

CNC Milling Machines
  • Toyoda FA-550 II, Horizontal CNC, Cat 50 Tooling up to 40 tools, X=29", Y=29", Z=23", Fanuc 16i-M Control, U-Axis Capable, 2003
  • Toyoda FA-550 II, Horizontal CNC, Cat 50 Tooling up to 40 tools, X=29", Y=29", Z=23", Fanuc 16i-M Control, 1999
  • HAAS VF-4, Vertical CNC, CAT 40 tooling up to 20 tools, X=48", Y=18", Z=18", 1994
  • Enshu VMC-430, Vertical CNC, Cat40 Tooling up to 25 tools, X=43", Y=16", Z=16", 1990

Spline, Gear, and Broaching Equipment
  • 6 - Barber-Coleman 16/16 Hobbers 16" swing x 24" long cut length
  • 2 - Barber-Coleman 6/10 Hobbers 6" swing by 12" long cut length
  • Lees Bradner SH Hobber 12" swing and 60" long cut length
  • Fellows Gearshaper 7" swing by 2" face width
  • Wolf Gear Hobber 20" swing and 11" face width
  • Colonial Horizontal Broach 50 ton 72" pull length, with large inventory of broaches

Finishing Equipment
  • 1 - TOS Cylindrical Grinder
    • 8" Swing x 36" Centers
    16” Wheel Diameter
  • 1 - Cincinnati Centerless Grinder
    • Diameter: 1/2" to 3 1/2"
    20" Wheel Diameter
  • 1 - Cogsdill Burnisher
    • Diameter: 1.00"
  • 1 - TOS Engine Lathe
    • 19" Swing x 80" Centers
  • 1 - Hyd-Mech H12 Automatic Bandsaw, 2005
    • Diameter: 12.00"

Quality Control Equipment
  • CMM Mitutoyo Crysta-Apex 910, 2003 using Cosmos 2.3R5 11th Edition, with enhanced gear measuring capabilities.
  • Hardness Tester
  • Mitutoyo PH-A14 Optical Comparator with QM-Data 200
  • Mitutoyo SJ-201 Surface Testers
  • Height Gauges up to 24.0000"
  • Dial and Digital Calipers up to 8.0000"
  • Dial Indicators
  • Outside Micrometers 0-1", 1-2", 2-3", 3-4"
  • Thread Micrometers
  • Blade Micrometers
  • Bowers Bore Gauges
  • Fluke Meters
  • Pin Gauges
  • Gauge Blocks
  • Go / No Go Ring Gauges
  • Go / No Go Thread Plug Gauges
  • Trigabore Gauges
  • Snap Gauges
  • Precision Levels
  • Measurements completed on surface plates
  • V-blocks
  • Magnetic Particle Wet Bench in Dark Booth, 2010

Value Added Services Equipment
Spectrum Z510 3D Printer, (insert printing size), 2010


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