Custom Spring Manufacturer for Agricultural Equipment
Coiling Technologies, Inc. has broad experience with unique designs and the manufacturing of springs for agricultural machinery and equipment.
In recent years, there have been rapid technological advancements in the field of agriculture. This, in turn, creates demand for springs with unique properties. Our proficient engineers understand your unique requirements by keeping abreast of rapidly changing technologies and market trends.
We manufacture springs for tractors, tilling equipment, and fences. We can design springs of any diameter and material that are well suited for the environment your spring operates in. We can also assist you in the redesign of springs to improve the performance of your spring. Please contact us, for more information or assistance.
Agriculture Springs FAQs
What makes agricultural equipment springs different from general industrial springs?
Farm equipment springs work in dirt, crop residue, fertilizer, and moisture, and they take impact loading rather than smooth cyclic motion. A tillage shank spring absorbs a rock strike at full plowing speed, while a valve spring cycles against a predictable load. Grit packs between coils and into the clearance between spring and guide, which abrades the wire surface and creates the crack initiation sites that end fatigue life early. Fertilizer and standing moisture add a corrosion problem that most indoor industrial springs never see. Coiling Technologies designs to the operating environment as well as the load, and can specify diameter, material, and finish accordingly.
What agricultural equipment does Coiling Technologies build springs for?
Coiling Technologies manufactures springs for tractors, tilling equipment, and fences, and can design springs of any diameter and material suited to the environment the spring operates in. Across agricultural machinery, springs generally do one of four jobs: apply down pressure on ground engaging tools such as openers and coulters, provide trip release on tillage shanks and cultivator standards, tension belts and chains on drives, or return a mechanical or hydraulic linkage to position. Each of those duty cycles points to a different spring type and a different design stress, so the application matters more than the machine model when a design starts.
How does abrasive soil and debris shorten spring life?
Fatigue cracks in a spring almost always start at the wire surface, so anything that roughens that surface costs cycles. Soil and grit act as an abrasive slurry between rubbing coils and between the spring and its guide or pocket, wearing flats into the wire and lifting local stress well above the design value. Packed debris also reduces working clearance, which can cause coil clash and side loading the spring was never rated for. Shot peening, performed in house at Coiling Technologies, puts a compressive residual stress layer at the surface that resists crack initiation and buys back fatigue life in dirty applications.
Which materials and coatings hold up to fertilizer, moisture, and washdown?
For most agricultural springs the economical answer is an oil tempered or alloy carbon steel such as AISI 5160 with a coating, not a stainless or nickel alloy. Powder coating gives a durable barrier over the wire and is applied in house at Coiling Technologies, which keeps coating and coiling under one quality system. Step up to stainless only when the spring sits in continuous wet or chemical contact, cannot be recoated in service, or is buried where a coating breach would go unnoticed. Coating a carbon steel spring is usually a fraction of the material cost of stainless at the same load rating.
Can Coiling Technologies redesign an agricultural spring that keeps failing in the field?
Yes. Redesign to improve spring performance is part of the engineering service, and repeat field failures usually point to a specific cause an engineer can read off the broken part. Send the failed spring along with free length, wire diameter, outside diameter, coil count, end configuration, and the load and travel the machine actually sees, plus how many hours or seasons it survived. Fracture surface, wear flats, and coil clash marks tell an engineer whether the problem is stress level, material, surface condition, or clearance. The fix may then be a material change, a peened surface, or different geometry at the same installed height.
