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Custom Products
and Services


Fiber Optic Preforms

Laser Ceramics


Metal Fabrication






Ceramic Machining and Firing

  Precision machinetool image

Accuratus maintains a fabrication facility and network of suppliers to meet your research, developmental and production quantities for ceramic components. Production lots of one piece prototypes through multi-year contracts for thousands of parts can easily be accommodated. A full complement of measurement instruments and a quality assurance system based on the operating characteristics defined in ANSI/ASQ Z1.4-1993 ensure you receive good products.

Diamond Grinding of Ceramics

Accuratus has a full complement of grinding equipment for the machining of hard materials. Precision dimensional tolerances of 5 microns (.0002") and surface finishes of 0.2 microns (8 microinches) are routinely maintained during production. Tighter tolerances are available where required subject to careful review by our engineering and production departments. Services offered include surface grinding, dicing, OD grinding, ID grinding, centerless grinding, hole drilling (especially high aspect ratio holes), jig grinding, lapping, honing and polishing. A full complement of manual and CNC machine tools are available to meet your component needs.

Multiple tooling vendor relationships are maintained to assure a steady supply of cutting tools. Where special requirements exist, custom tooling is obtained to meet your special situations. Under all circumstances, our working knowledge of ceramic materials and our knowledge of your application are relied upon to ensure we are using grinding techniques that minimize damage to the ceramic workpieces thus assuring you receive the highest strength components available.

Green Machining of Ceramics

Accuratus green machines several oxide compositions where appropriate. Green machining techniques are used to reduce cost especially where large amounts of material must be removed. Tolerances typically achieved after firing the green machined parts are + .15mm (.006") or + 1% of nominal dimension-whichever is greater. Techniques ordinarily used include milling and lathe work. Finish diamond grinding can be employed after firing to improve tolerances where needed.

Firing Ceramics

Facilities for air firing ceramic up to 1650°C are available at Accuratus. Electric kilns with tightly controlled temperature profiles are employed. Standardized firing schedules are used for our ceramic ware, however firing schedules can be customized to meet your special situations.

See also: Working Together > Custom Component Manufacturing Standards
See also: Working Together > Quality Assurance
See also: Working Together > Warranties and Remedies

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