Sprue Maker

Company: Miller Castings INC
Location: Whittier
Posted on: January 16, 2026

Job Description:

Job Description Job Description Position Summary Produces sprues used in lost wax casting process by performing the following duties. Pay Rate: $18.00 per hour Essential Duties and Responsibilities The essential functions include, but are not limited to the following: Retrieve the sprue mold(s) from sprue mold storage, ensuring that the J/N engraved on the sprue mold(s) is correct and matches the work order and wax technique. All sprue mold(s) must be secured with bands prior to filling. Use hand ladle to fill sprue molds with melted sprue wax from the sprue wax roaster tanks. Pours liquid wax in stone die mold to produce sprue for specific job numbers. Create sprue patterns per wax technique. Allow wax to set for approximately 2 minutes for wax to harden around the outside edges, pour remaining liquid sprue wax back into the wax roaster tank. Using a hand ladle, fill the remaining hollow sprue mold with cold water to continue to cool and harden the wax. Allow 1 to 2 minutes to harden the wax then pour the water back into the water tank, disassemble the mold, remove sprue wax pattern/pieces and place the now hollow sprue wax pattern(s) in the tank of water to continue to cool and harden. Obtain enough plastic containers to hold the required amount of sprue wax patterns needed for complete assembly of wax patterns. Move finished wax sprue pieces to the sprue cleaning area: clean parting lines, patch holes and clean any other indications in the pieces of sprue. Dip cleaned wax sprue pieces in tank of melted sprue wax to get an even, smooth wax surface. Select a plate sufficient to overlap the cup end of the assembly. Fill plate with melted sticky wax being careful not to overflow the wax. Quickly fit the cup end of the assembly onto the plate, allowed to cool until hard. Seal the plate to the cup by dipping in melted sprue wax sufficient to cover the joint between cup and plate. Minimum Qualifications (Knowledge, Skills, and Abilities) Demonstrated ability to work independently and as a team. Ability to follow verbal and written instructions. Basic math skills. Ability to adapt to learn from on-the-job training. Ability to implement safe work practices. Ability to read and write. Basic computer skills. Physical Demands and Work Environment While performing the duties of this job, the employee is regularly required to stand; use hands to finger, handle, or feel; reach with hands and arms; talk and hear. The employee is required to walk. The employee is occasionally required to stoop, squat, bend and lift items from floor and/or work table. The employee must regularly lift and/or move up to 35 pounds. Specific vision abilities required by this job include close vision and depth perception. While performing the duties of this job, the employee is frequently exposed to fumes. The noise level in the work environment is usually moderate Note This job description in no way states or implies that these are the only duties to be performed by the employee(s) of this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the employee(s) will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an at will relationship. 1- 1st Shift Opening- Hours are from 7:00am - 3:30pm Monday thru. Friday- Overtime work if needed depending on department demands 1- 2nd Shift Opening- Hours are from 4:00pm - 12:30am Monday thru. Friday- Overtime work if needed depending on department demands Must be flexible with the ability to rotate shifts if needed by department

Keywords: Miller Castings INC, Mission Viejo , Sprue Maker, Manufacturing , Whittier, California