Norton 61463650285 Surface Grinding Segment 30 Grit

Product Description

The NORTON 61463650285 is a vitrified bond surface grinding segment designed for heavy-stock removal on surface grinding machines. Manufactured from aluminum oxide abrasive at a 30-grit rating, this segment falls in the very coarse grade range, making it suited for aggressive material removal passes rather than finish work. The hardness code is E, indicating a soft-grade bond that releases abrasive grains readily to maintain a free-cutting action. Grain structure is 12, and the bond type is vitrified, which provides rigidity and thermal stability during high-contact grinding operations. Licensed machinists, tool room operators, and industrial maintenance technicians are the primary installers of this segment type.

This segment is specified for use in Cortland-application surface grinding machines. The segment dimensions are 11.25 inches wide by 6 inches high by 2.25 inches thick, fitting chuck-style or segment-ring holders common to reciprocating and rotary surface grinders used in production and job-shop environments. The specification code for this segment is 86A30-E12VBEP, and the corresponding blueprint number is ME30777. This combination of grit, hardness, and bond is typically selected for ferrous metals and cast iron where rapid stock removal is the priority.

Key Features

• 30-grit aluminum oxide abrasive for aggressive, very coarse stock removal
• Vitrified bond provides structural rigidity and resistance to heat buildup during grinding
• Hardness code E soft-grade bond promotes self-sharpening action and reduces glazing
• Grain structure 12 and porous construction support coolant flow and chip clearance
• Specification code 86A30-E12VBEP and blueprint ME30777 for verified OEM cross-reference
• Single-piece packaging with MOQ of 1 for maintenance and replacement orders

Compatibility

Specified for Cortland-application surface grinding equipment per blueprint ME30777. Confirm segment holder dimensions and machine chuck specifications before installation to ensure proper seating and clamping.

Installation Notes

Surface grinding segments must be installed by qualified machinists or maintenance technicians familiar with abrasive wheel safety per ANSI B7.1 standards. Power down and lock out the grinding machine before removing or mounting any segment. Inspect the segment for cracks or chips before mounting, and perform a ring test on vitrified segments prior to use. Follow the machine manufacturer torque and clamping specifications for segment holders — do not overtighten, as vitrified bond segments are brittle and can fracture under uneven clamping stress.