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Grind/EDM capabilities

 Steelcrest Precision provides grinding and EDM solutions for components requiring close dimensional control, intricate features and high-quality surface finishes. Our capabilities allow us to complete critical finishing operations in-house while supporting consistent quality from initial machining through final inspection. 

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Equipment & Capacity

From tight-tolerance finishing to complex features that are difficult to machine conventionally, Steelcrest offers grinding and EDM equipment to achieve precise dimensions, controlled surface finishes, and repeatable results. 

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RAM EDM

  • 2 RAM EDM machines
  • Capacity up to X = 24", Y = 14", Z = 10"
  • Produces complex cavities, blind features, and intricate geometry in conductive materials.

 

02-wire-edm

wire edm

  • 5 wire EDM machines
  • Capacity up to X = 31", Y = 28", Z = 11"
  • Creates precise profiles, narrow slots, and complex contours without placing cutting pressure on the part.
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OD Grinding

  • Capacity up to Ø16" × 60" long
  • Supports shafts, journals, and other cylindrical components.
  • Provides close control of outside diameters, concentricity, and surface finish.
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Surface Grinding

  • Capacity up to X = 32", Y = 20", Z = 18"
  • Produces accurate, consistent surfaces on flat components.
  • Ideal for applications requiring controlled flatness, parallelism, and final dimensions.
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blanchard grinding

  • Capacity up to Ø15"
  • Efficiently removes material from larger, flat components.
  • Provides consistent sizing and a uniform surface finish across broad areas.
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Honing

  • Honing capacity up to 8"
  • Improves the size, geometry, and surface finish of internal bores.
  • Ideal for components requiring accurate bore dimensions and close-fitting surfaces.

 

Tolerances & Surface Finishes 

Steelcrest combines precision grinding, honing, and EDM processes with experienced programming, workholding, and inspection to produce accurate, repeatable components. Final tolerances and surface finishes depend on material, geometry, part size, and application requirements, but our general grinding and EDM capabilities include: 

            Capability
General Specification
Wire EDM

Tolerance:  ±0.0005” to  ±0.0002”

Surface finish: 16-32 Ra; fine finish down to 8 Ra
 Grinding

 Tolerance:  ±0.0005” to   ±0.0002”

 Surface finish: up to 8 Ra

 

Frequently Asked Questions

Does Steelcrest Precision offer in-house grinding and EDM machining services?

 Yes. Steelcrest Precision provides in-house precision grinding and electrical discharge machining (EDM) services in Wauseon, Ohio. Capabilities include wire EDM, RAM EDM, OD grinding, surface grinding, Blanchard grinding, and honing. 

What is the difference between wire EDM and RAM EDM?

 Wire EDM uses an electrically charged wire to cut precise profiles and contours through conductive material. RAM EDM, also called sinker EDM, uses a shaped electrode to create cavities, blind features, and complex internal geometries. 

What materials can be machined with wire EDM or RAM EDM?

 EDM can machine electrically conductive materials, including stainless steel, hardened steel, tool steel, and specialty alloys. Because EDM does not apply conventional cutting pressure, it is well suited for hard materials, delicate features, and complex geometries. 

What precision grinding services does Steelcrest offer?

 Steelcrest offers OD grinding, surface grinding, Blanchard grinding, and honing. These precision grinding services support final sizing, close dimensional control, improved flatness and concentricity, accurate bores, and refined surface finishes. 

What tolerances can Steelcrest achieve with grinding and wire EDM?

 Steelcrest can support grinding and wire EDM tolerances ranging from ±0.0005" down to ±0.0002". Achievable tolerances depend on the material, part size, geometry, feature location, and application requirements. 

What surface finishes can Steelcrest achieve with grinding and wire EDM?

 Wire EDM typically supports surface finishes of 16–32 Ra, with fine finishes down to 8 Ra. Precision grinding can also achieve finishes down to 8 Ra, depending on the material, geometry, and specific finishing requirements. 

What are Steelcrest’s wire EDM and RAM EDM capacity limits?

 Steelcrest operates five wire EDM machines with maximum capacity up to 31" × 28" × 11". Its two RAM EDM machines accommodate parts up to 24" × 14" × 10", depending on geometry and workholding requirements. 

What part sizes can Steelcrest accommodate for precision grinding?

 Steelcrest offers OD grinding for components up to Ø16" × 60" long, surface grinding up to 32" × 20" × 18", Blanchard grinding up to Ø15", and honing capacity up to 8". 

When should grinding or EDM be used instead of conventional machining?

 Precision grinding is commonly used when a part requires accurate final dimensions, close fits, improved flatness or concentricity, or a fine surface finish. EDM is often selected for hardened conductive materials, delicate profiles, narrow slots, deep cavities, and complex features that are difficult to cut conventionally. 

What information is needed for a grinding or EDM quote?

 Provide a current drawing or 3D model, material specification, required tolerances, surface-finish requirements, estimated quantity, and requested delivery date. Include any critical features, heat-treatment specifications, inspection requirements, or applicable quality standards. 

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Share your drawing, material, tolerances, and production requirements. We'll help identify the right process for your program. 

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