E.C. Styberg Engineering Co., Inc. - Grob Cold Rolled Steel Splines
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Grob Cold Rolled Steel Splines


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We have a full compliment of machining and forming capabilities to form housings and drive disc for mechanical operations. One primary process is called Grob Splining, which is a cold work forming to gear tooth tolerances from 4.75 to 14" diameters.
Although the splines can be cold-formed by several different processes, it is generally recognized that the "Grob" process produces the most accurate form and to the greatest depth of any of the presently available machines or processes.

Utilizing the "Grob" cold forming process now gives E.C. Styberg Engineering Co. the capability of fabricating large, heavy-duty, clutch housings at a substantial cost savings. Syberg Engineering, in collaboration with "Grob" engineers, is pleased to offer assistance in designing finished componetns that will be supplied trimmed to length and complete with oil slots, snap-ring grooves, etc.



Capabilities · Specifications

Capabilities

Cold Formed Advantages

  • Achieve cost savings by reducing intial weight and finished part weight threw raw material selection.
  • Flexibility of component designs can result in improved overall product capabilitites.
  • Material grain structure is improved, resulting in hgiher tooth strength and less distortion than with a metal cutting process.
  • Part to part tolerance variations are less than with metal removal
  • Save process time by having no metal removal or cutter wear and replacement

    • Drawing Submission

    		DFX
    PDF
    Prints

    Quality Assurance

    		A basic principle and philosophy for our Company operation has been a commitment to excellence that provides Total Quality and Superior Service. Styberg Engineering has a long proven track record as a quality supplier with a growing list of Quality Certifications from satisfied customers that include J.I. Case, Caterpillar, Clark, DSCS, General Dynamics, GM-TFE, and Navistar. An additional commitment to our program of Continuous Improvement of Products and Services is also an essential factor in maintaining a high level of consumer satisfaction.

    Tolerances

    		Our tolerance vary depending on operation being performed. For example:
    Shop Tolerance: +/- .5

    Assembly Balancing

    		Dynamic

    Boring

    		CNC 4 axis
    Conventional
    Jig

    Broaching

    		Internal & External

    Chucking

    		Automatic
    Manual

    Deep Draw

    		Deep Draw to 10"

    Drilling

    		CNC
    Radial
    Single & Multiple Spindle

    Finish Deburring

    		Belt
    Rotary Brush
    Vibratory Milling

    Grinding

    		Blanchards-Surface 42" & 60" & 84" Diameter tables

    Grob Cold Forming of Spline on Clutch Housings

    		120mm-340mm dia. up to 4mm thick material

    Hobbing

    		Splines up to 36" diamter

    Milling

    		CNC to 48" x 60" x 18"
    Horizontal and Vertical

    Sanding

    		36" wide capacity
    Belt & Brush

    Sawing

    		Band
    Friction & Conventional

    Shaping

    		External Teeth
    External up to 36" OD
    Internal up to 26" ID
    Spline Teeth

    Shearing

    		Conventional & Contour

    Roller Straightening

    		0.030" to 0.750" thick x 48" wide
    Up to 40 R/C Hardness

    Tapping

    		CNC

    Turning

    		CNC to 22" diameter
    Conventional to 48" diameter

    Welding

    		Flu-cored & Arcs
    Gas & Arc
    MIG & TIG
    Projection Spot
    Resistance Spot

    Specifications

    Prototyping & Production

    		EC Styberg provides low volume prototyping runs.
    Our production runs generally start at 250 units, however all run sizes are product dependant.

    Materials

    		Aluminum
    as well as numerous other materials
    Brass
    Carbon/Stainless Steels 1008-1080
    Copper

    Presses

    		Presses to 1,000 Ton
    Overhead crane capacity up to 20,000 pounds
    Coil feeding up to 0.625" thick x 24" wide

    Certifications

  • ISO 9001:2000 Certified
  • NADCAP-Aerospace
  • TS 16949:2002 Certified

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