GR - Grinder

Marmon Holdings, Inc.•Harvey, IL

About The Position

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best. The Grinder is responsible for performing a variety of internal and external surface finishing operations on metal parts and alloys. The goal is to achieve precision finishes and ensure parts meet quality standards using various grinding methods such as straight, taper, contour, and groove grinding.

Requirements

High school diploma, GED or equivalent. (Required)
Manufacturing experience. (Required)
Ability to understand written and verbal instructions and documentation.
Testing required for new employees.

Nice To Haves

6- 12 months previous grinding experience for new employees. (Preferred)

Responsibilities

Casting Preparation and Grinding Process Castings: Efficiently remove excess metal, including flash, sprues, gates, and risers, from castings using a variety of equipment.
Utilize Diverse Tools: Expertly operate and maintain hand-held grinders, backstand grinders, swing grinders, belt sanders, air-powered tools, and band saws to cut and shape parts.
Achieve Finish Specifications: Smooth and shape surfaces, blending welds and repairs into surrounding metal to achieve specified tolerances and finish levels.
Repair Defects: Execute cosmetic defect repair through techniques such as peening, puttying, and precision grinding.
Deburr and Clean: Deburr and clean finished castings to eliminate sharp edges and prepare them for subsequent processes.
Remove Cores: Utilize a knockout machine and chisel to effectively remove cores from castings.
Blasting and Surface Finishing Operate Blasting Equipment: Safely and efficiently operate and maintain tumbler blasting equipment to clean casting surfaces.
Optimize Blasting: Adjust blast settings (air pressure, media flow, wheel speed) to achieve optimal cleaning and required surface finish for various materials.
Material Handling (Blaster): Load and unload castings into the blaster, safely utilizing hands, hoists, and cranes as required.
Maintain Media: Monitor and change or replenish blast media to ensure continuous, high-quality operation.
Quality Inspection and Documentation Visual Inspection: Conduct thorough visual inspections of all castings for surface defects such as cracks, porosity, or inclusions.
Mark and Document: Accurately mark defective areas for repair or final rejection, communicating quality issues to the supervisor.
Quality Compliance: Apply date stamps to parts in compliance with documented quality control procedures.
Tool Selection: Select and utilize the appropriate grinding wheels, tools, and abrasives based on the specific material and required surface finish.
Equipment Maintenance and Safety Equipment Setup and Adjustment: Set up, adjust, and monitor grinders for optimal speed, angle, and performance.
Routine Maintenance: Perform routine and preventive maintenance on grinding and blasting equipment (e.g., changing wheels, cleaning filters, lubricating parts).
Tool Management: Monitor grinding tools for wear or damage and promptly replace components to maintain efficiency and safety.
Safe Operations: Adhere strictly to all safety procedures, including the consistent use of Personal Protective Equipment (PPE) (gloves, face shields, ear protection, steel toes, safety glasses).
Facility Support: Complete daily checklists for motorized equipment (crane/hoist, electric pallet jack, tow motor).
Environmental Control: Operate and monitor dust collection and ventilation systems to minimize airborne particles and ensure compliance with environmental standards.
General Support: Assist with the handling and movement of castings within the facility, utilizing pallet jacks, cranes, hoists, or forklifts.
Workplace Organization: Maintain a clean, organized, and safe work area at all times.