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Automatic Screw Machining Services



Since 1923, we have been producing precision screw machine and Swiss turned products to demanding customer specifications. Although the process dates back to 1873, the ease of set-up by skilled machinists, using special in-house tooling, and the ability to consistently hold very demanding tolerances, make our screw machines ideal for producing certain parts more economically than using conventional Swiss or CNC equipment. Screw machines and their capabilities, in conjunction with our CNC equipment; allow us to integrate both conventional as well as CNC technologies to develop a cost effective, efficient process for the production of your parts.

Whether your requirements are for a single piece for a prototype/test component, or high volume production quantities, we are equipped with the most efficient equipment to provide your machine products. Our Brown & Sharpe single spindle and Acme Gridley multi spindle machines can accommodate round, hex or square stock ranging from 0.063” to 6” in diameter. Our machines are equipped with machining attachments to perform secondary operations, offering you substantial cost reduction as well.

Jessen uses Lean cellular manufacturing techniques, exceptional engineering, in-house tool making, and efficient production methods – a combination that provides Just-in-Time delivery for customers in a variety of industries. This blend of people, technology and experience make up the company that is Jessen Mfg. A manufacturer that meets its customer’s needs and guarantees the integrity of its final product.

Use the “Request Information” selection to contact us. Attach your design documentation along with your contact information for our Engineering Department to review and provide you with a quote.





 Machine Specifications:   Materials & Supporting Documentation:   General Specifications:   

ISO Certifications:

ISO 9001:2008 Certification
See the right hand navigator for "Downloads".

Tolerances the machines can produce repeatedly:

.0005 inch

Quantity of Parts Produced:

We can produce prototype parts of one, to high volume production quantities.

Equipment List

(20) Brown & Sharpe: High speed ultramatic single spindle automatic screw machines. Many with Lipe magazine bar feeders.
With finished parts up to 36 inches long.
    (9) #00 Spindles
    (1) #0 Spindle
    (9) #2 Spindles
    (1) #3 Spindle
    Bar stock standard size ranges: in 12 foot standard lengths for our auto feeders.
    • Round Bar: 1/16" through 2-3/8" Dia.
    • Square Bar: 1/16" through 1-3/4"
    • Hex Bar: 1/16" through 2.25"

(6) Brown & Sharpe: High speed single spindle automatic screw machines, used for secondary operations.
With finished parts up to 36 inches long.
    (3) #00 Spindles
    (3) #2 Spindles
    Bar stock standard size ranges: in 12 foot standard lengths for our auto feeders.
    • Round Bar: 1/16" through 2-3/8" Dia.
    • Square Bar: 1/16" through 1-3/4"
    • Hex Bar: 1/16" through 2.25"
(32) Acme Gridley: With 4 and 6 multi spindle automatic screw machines, Models RA or RB.
With finished parts up to 24 inches long.
    (3) 9/16" - 6 Spindle
    (8) 1 1/4" - 6 Spindle
    (8) 2" - 6 Spindle
    (1) 2 5/8" - 4 Spindle
    (6) 2 5/8" - 6 Spindle
    (1) 3 1/2" - 4 Spindle
    (4) 3 1/2" - 6 Spindle
    (1) 6" - 6 Spindle
    Bar Stock standard size ranges: in 12 foot standard lengths for our auto feeders.
    • Round Bar: 1/4" through 6" Dia.
    • Square Bar: 1/4" through 4-5/8"
    • Hex Bar: 1/4" through 5-1/4"


 MORE IMAGES 

·  1923 Jessen Mfg's Shop

·  Expertise & Quality Acme Gridley ASM

·  Acme Gridley Automatic Screw Machine Department

·  Acme Gridley 6"- RB6

·  Quality Assurance

·  Adapters

·  Balls

·  Bolts

·  Broaching

·  Couplings

·  Fasteners

·  Fittings

·  Hydraulic Valve Components

·  Inserts

·  Knob & Handles

·  Plastic Parts

·  Plugs

·  Precision Machine Parts

·  Precision Turned Parts

·  Pulleys

·  Shafts

·  Swiss Machined Parts

·  AMT qms


 DOWNLOADS 

Long Term Quality Plan
(PDF, 115KB)


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