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Archive for the ‘Spring Manufacturer History’ Category

Spring Wire Decarburization:

Monday, October 8th, 2012

Spring Wire Decarburization: | Spring Wire  | Spring Manufacturers

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Spring Wire Decarburization: The loss of carbon from a ferrous alloy as a result of heating in a medium that reacts with carbon. (ASTM E1077)

 

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Spring Wire Coiling Test  | Spring Wire  | Spring Manufacturers

 

© Copyright 2000-2012 KATY SPRING & MFG, Inc. All Rights Reserved. Katy Spring is your source for custom formed spring metal component spring manufacturer. We have Compression Springs, Extension Springs, Torsion Springs, flat Springs. Spring manufacturers 

Spring Wire Coiling Test | Spring Wire | Spring Manufacturers

Friday, October 5th, 2012

Spring Wire Coiling Test  | Spring Wire  | Spring Manufacturers

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Spring Wire Wrap Test: A wire sample is coiled in a closely spaced helix around a mandrel of specified diameter. After wrapping, the sample is examined for cracks. It is considered a failure if any cracks occur in the wire after the first complete turn. (ASTM A370 Annex A4.7)

 

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Please send inquiries to: sales@katyspring.com
Ph.  281-391-1888

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Spring Wire Coiling Test  | Spring Wire  | Spring Manufacturers

 

© Copyright 2000-2012 KATY SPRING & MFG, Inc. All Rights Reserved. Katy Spring is your source for custom formed spring metal component spring manufacturer. We have Compression Springs, Extension Springs, Torsion Springs, flat Springs. Spring manufacturers 

How Springs are Manufactured | Spring Manufacturer

Thursday, May 3rd, 2012

How Springs are Manufactured
 
© Copyright 2000-2012 KATY SPRING & MFG, Inc. 

Shipping and Billing Address:
3535 Schlipf Rd
compression
Katy, TX. 77493

Phone: 281-391-1888
Fax: 281-391-0666

Please send inquiries to: sales@katyspring.com
 Ph. 281-391-1888
Steel Springs & Wire Forms
Spring Manufacturer

How Springs are Manufactured
For springs manufactured up to 0.75 in diameter in a cold-wound environment two techniques can be used.

One consists of winding the wire around a shaft or arbor. This can be done on a spring-manufacturing machine, a spring lathe, even an electric hand drill with the mandrel secured in the chuck, or a hand-winding spring manufacturing machine with a hand crank.
A guiding mechanism for example a lead screw on a lathe, is used to align the wire into the desired pitch as it wraps around the arbor
The wire may also be coiled without a mandrel. This is generally done with a central navigation computer (CNC) spring manufacturing machine.

Springs made on Automatic Spring Manufacturing Machines
Spring-tempered wire is pushed forward over a support block toward a grooved head that deflects the wire, forcing it to bend. The head and support block can be moved relative to each other in as many as five directions to control the diameter and pitch of the spring that is being formed.

For extension or torsion springs, the ends are bent into the desired loops, hooks, or straight sections after the coiling operation is completed.

Hot winding is a spring manufacturing technique used for thicker wire or bar stock. The spring material can be coiled into springs if the metal is heated to make it flexible. Standard industrial coiling machines can handle steel bar up to 3 in diameter, and custom springs have reportedly been made from bars as much as 6 in thick. The steel is coiled around a mandrel while molten hot. Then it is immediately removed from the coiling machine and plunged into oil to cool it quickly and harden it. At this stage, the spring steel is too brittle to function as a spring, and it must subsequently be tempered.

Scott Pitney
Katy Spring & Mfg., Inc.
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Spring Manufacturer History | How did making springs get started?

Monday, April 16th, 2012

Spring Manufacturing History

Springs have been used throughout history.  A sturdy tree branch can be used as a spring. The first sophisticated springs were found in the Bronze Age, when eyebrow tweezers were used in many cultures.

Around the third century B.C., Greek engineers developed a process for making spring-tempered bronze by increasing tin in a copper-alloy cast and hardening it with hammer blows. They made leaf springs from this process to operate catapults but they were not powerful enough.  During the second century B.C. catapult engineers built a similar device with greater success.

Padlocks used spring devices during the ancient Roman Empire.  One type of padlock used bowed spring metal “leaves” to keep the device closed until the leaves were compressed with keys.

During the middle ages the next significant event occurred in spring manufacturing history. A power saw invented around 1250 used a water wheel to push the saw blade in one direction, at the same time bending a pole.  The pole returned to its original position, pulling the saw blade in the opposite direction.

In the early fifteenth century, coiled springs were developed by clockmakers by replacing the system of weights that commonly powered clocks with a wound spring mechanism.  The coiled springs in clocks made the devices smaller, allowing for the first portable timekeeping devices.  This same coiled spring technology was also used in ship navigation.

The eighteenth century brought on the Industrial Revolution and mass-production spring making techniques. During the 1780s, British locksmiths used spring winding equipment to produce springs.  A lathe was adapted for spring manufacturing and the spring lathe carried a reel of wire in place of a cutting head. Wire from the reel was wrapped around an arbor secured in the lathe chuck. The speed of the lead screw, which carried the reel parallel to the spinning rod, could be adjusted to vary the pitch of the spring coils.  This technique is still used in today’s spring manufacturing processes.


© Copyright 2000-2012 KATY SPRING & MFG, Inc. 

Shipping and Billing Address:
3535 Schlipf Rd
compression
Katy, TX. 77493

Phone: 281-391-1888
Fax: 281-391-0666

Please send inquiries to: sales@katyspring.com
Ph. 281-391-1888
Steel Springs & Wire Forms
Spring Manufacturer

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