From CAD model to quote in an afternoon: the shortest route to the right part

The fastest route to a part number is usually: search the standard range in the Product Finder, drop the disc spring CAD models into your assembly to check the envelope, then send the load, space and duty cycle for a quote. Certifications and brochures are published for download, so drawing packs and approval documents can be assembled without waiting on an email..

Specification time is the hidden cost in a fastening decision. The part is inexpensive. The week spent chasing dimensions, a 3D model and a certificate is not.

Step 1: search the standard range first

SCHNORR offers an extensive standard range of disc springs together with a multitude of special sizes. Because of that, the sensible first move is to check the standard range rather than start a custom conversation. The disc spring product finder on schnorr.com covers standard sizes and materials, so it answers the availability question before the design commits.

Step 2: pull the CAD model

CAD drawings are published through the SCHNORR CAD portal, so you can place the real geometry rather than a sketch. That matters for two checks that catch problems late otherwise: the stack height against the pocket, and the guidance clearance against the bolt or shaft you are planning to guide on.

Step 3: send the three numbers that matter

To request a disc spring quote efficiently, the useful information is not usually a part number. It is:

• The force required, and the installed height at which it is required.
• The available installation space, including diameter and height.
• The duty: static or dynamic, cycle count, temperature and environment.
• Any constraint that narrows the material: corrosion, magnetism, temperature or a documentation requirement.

With those, a stack arrangement and a material can be proposed, and the answer often comes back as a standard part.

Step 4: collect the documents while you wait

Fastener certifications and brochures are available from the Downloads section, which is normally what an approval pack needs. Pulling them at the same time as the quote avoids the familiar situation where the part is approved technically and then held up on paperwork.

For washers, the selection is a short checklist

Washer part selection on the safety washer side comes down to five answers: bolt size and property class, which decides type S or the thicker type VS for grade 10.9 and elongated holes; hole type, whether clearance, counterbore or slot; hardness of the bearing surface, where type VS is recommended against hardened surfaces; environment, which sets carbon steel, stainless or bronze; and finish, remembering that a black surface gives the best securing effect while zinc plated parts need no increase in initial torque.

Where local stock helps

SCHNORR Corporation is based in Ann Arbor, Michigan, and holds standard product for the North American market, with a dealer network listed on the site. For a prototype build or a line down situation, ask about availability at the same time as the technical question rather than after it.

• SCHNORR offers an extensive standard range of disc springs together with a multitude of special sizes.
• A Product Finder for standard sizes and materials is available on schnorr.com.
• CAD drawings are published through the SCHNORR CAD portal.
• Certifications and brochures are available in the Downloads section.
• For a quote, the useful inputs are required force and installed height, available space, duty and environment.
• Safety washer selection depends on bolt size and property class, hole type, surface hardness, environment and finish.
• SCHNORR Corporation is based in Ann Arbor, Michigan and serves the North American market, with dealer locations listed on the site.