Screw Machine Manufacturing. Easton, Pennsylvania. Randolph Manufacturing Corp. Randolph Manufacturing Corp. - Screw Machine Products
Call: 1.800.123.4567   |   E-mail: info@randolphmfg.com
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ISO Certified

ISO 9001: 2000
QS-9000 P.P.A.P.
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Screw Machine Products


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Randolph Mfg. Corp. is a custom component manufacturer making each part to our customer’s exact specifications. Founded in 1978, Randolph is an ISO certified company ready to quote to your specific requirements. We ensure that all our precision screw machine products adhere to high quality and dependable durability of industry standards. Our products are used in a wide range of industries including automotive, electronics, aerospace, military and medical.

We employ a number of measuring and testing equipment which provide accurate measurements based on a regular system of calibration and standard gauging. Randolph Manufacturing owns and maintains over 400 pieces of inspecting equipment used in the acceptance of a product. The quality system at Randolph manufacturing has a specially developed automated measuring system that can be used to measure parts with an accuracy of 0.0002 inches. QS 9000 PPAP Submission Packages Levels 1 through 5 can be supplied as requested to meet all automotive quality requirements. The product history, measurement and test data for such parts are provided in the form of hard copies, electronic data or via email as per the customer’s need.

Screw Machine Product 1

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Screw Machine Product 6

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Single-Spindle / Multi-Spindle · Capabilities · Facility List

Single-Spindle / Multi-Spindle

Single-Spindle

Multi-Spindle

Description:

For prototypes & short-run parts;
10 - 5,000pcs

For high-volume, long-run part production. Capable of producing millions of pieces annually.

Dimensions:
(Max)

Size/shape: 1-1/8” Rd, 15/16” Hex
Length: 6”

Size/shape: 7/8” Rd, 3/4” Hex
Length: 3-1/2” – 4”

Features:

In addition to capabilities listed for the multi-spindle, CNC’c can perform more intricate, superior-finish and tight-tolerance features using more ‘exotic’ materials.

Drill, Mill, Broach, Tap, Thread, Slot, Ream, Stamp, Knurl, Chamfer, Cross-Drill, Cross-Tap
(Screw-machine capabilities can be expanded with various attachments)

Tolerances:

Basic features: +/- .0005”
Select diameters:  +/- .0003”
Surface Finish:  32 or better

Basic features: +/- .001”
Select diameters:  +/- .0006”
Surface Finish:  64 or better

Please note that these tolerances are typical; surface-ground material is available for particular finishes & tolerances. Please contact for more info or to discuss your specific needs.




Capabilities

General Machine Capability (Material Size)

  • 28mm Round CNC Capability
  • 7/8 Round Bar Stock
  • 3/4 Hexagon Bar Stock
  • Stock Length Turned to 3"
  • Length of Parts 4 1/2"

    • Materials

    		Screw-machine grade:
      Carbon/Cold-rolled/Ledloy (C12L14, C1215, C1144 stressproof),
      Stainless Steel (303, 304L, 416A, 420F, 430F);
      Special alloys (4130, 4140, Kovar, Inconel, Nickel-200)
      Brass/ Copper (C360, C145, C544)
      Aluminum (2011, 2024, 6061)
      Please contact us to discuss your DFARS or ROHS compliant requirement.
    Other:
      12L14 Steel
      C 1070 Steel
      Exotics
      Teflon
      Delrin
      Nylon Q 200 (polystyrene)

    Screw Machine Products

  • Brackets
  • Brass Inserts
  • Bushings & Sleeves
  • Fasteners
  • Fittings
  • Industrial Equipment Drive Components
  • Linear Bearing Rods
  • Linkage Components
  • Machined Forgings & Castings
  • Precision Shafts
  • Press Fit Assemblies
  • Sensor Housings
  • Solenoid Valve Components
  • Threaded Inserts for plastic molded parts

    • Quality

    		Randolph Manufacturing uses an automated vision coordinate measuring machine that can measure, analyze, and provide measurement data for almost all part features with an accuracy of .0002".

    All manufacturing processes and specs are closely monitored to ensure product integrity by state- of-the-art S.P.C. procedures and equipment. Product history can be supplied or requested on any of your part numbers. QS-9000 P.P.A.P. documentation available levels 1 through 5.

    Industries Served

  • Automotive
  • Military
  • Medical
  • Electronic
  • Fastener
  • Glass to Metal Seal
  • Aerospace
  • OEM

    		•

    Facility List

    Tool Room Equipment

    		(1) Agitron EDM Machine
    (1) Atlas Bench Lathe
    (1) Grob Bandsaw
    (1) Power Hacksaw
    (1) Royal Oak Grinding Machine
    (1) Tool Room Hadinge Lathe
    (2) Bridgeport Vertical Milling Machines
    (2) Harig Fixtures
    (3) 15" Drill Presses
    (7) 8 X 10 Boyer-Schultz and Haring Surface Grinders Equipped to Process Carbide Cutting Tools

    Production & Processing Equipment

    		(38) Davenport 5 Spindle Automatic Screw Machines with 3/4 Oversize Spindle
    (1) 1" Traub CNC Production Machine
    (1) Baron-Blakeslee Vapor Degreaser
    (1) CNC Swiss Turning Machine (New Arrival)
    (1) Brown & Sharpe and Lipe Feed
    (1) Emco Maier 425 CNC Production Machine
    (1) Fourway Parts Cleaner
    (1) Harper Centrifugal Tumbling Barrel
    (1) Kent-Owens Vertical Milling Machine
    (3) Empire Blast Finishing Machines
    (4) Centrifugal Oil Seperators

    Other

    		Gas and Electric Welding Equipment
    Assorted Indicators, Jo-Blocks, and Other Tooling Available

     MORE IMAGES 

    · Screw Machine Product 2

    · Screw Machine Product 3

    · Screw Machine Product 4

    · Screw Machine Product 5

    · Screw Machine Product 7

    · Screw Machine Product 8

    · Screw Machine Product 9

    · Screw Machine Product 10

    · Screw Machine Product 11

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    Randolph Manufacturing Corporation - High Precision Screw Machine Products