High Precision Cast Iron Surface Plate High Strength Cast Iron Lapping Plate

Microflat Surface Plate Calibration High Strength Cast Iron Lapping Plate

Material: HT200-300

Standard: GB/T22095-2008

Specification: 100x200-3000x8000mm or customize

Surface: flat (accessories are available according to your requirement, like V, T, straight-shaped slots and tapped holes, long holes, grid lines, etc)

Hardness of the working surface: HB160-240

Surface treatment: hand-scraped, finish-milling or ground finish

Foundry process: sand casting or centrifugal casting

Molding type: resin sand molding

Painting: primer and face paint

Surface coating: pickling oil and plastic-lined or covered with anticorrosion paint

Surface flatness: Master, Working, Reference

Precision grade: 1-3

Working temperature: (20±5)℃

Packaging: wooden box

Specification of inspection surface plate:

1. 100mm×200mm-------------500mm×600mm(for scraping and grinding)

Precision grade: 0-2

2. 600mm×800mm-------------1500mm×2500mm (for hand-scraped)

Precision grade: 1-3

3. 1500mm×3000mm----------2000mm×6000mm (for hand-scraped or direct machine processing)

Precision grade: 2, 3 and finish-milling

4. 2500mm×4000mm----------3000mm×10000mm/4000mm×8000mm (for direct machine processing)

Precision grade: 2, 3 and finish-milling

Precision: According to the national standards measurement examination regulations execution,

respectively is 1,2,3, fine polish.