Intermediate Machinist (Paste Mfg)- 3rd Shift

About the role

PTFE Extrusion Development Technician Level “A” will be responsible for technically maintaining development in a defined area of the facility. This includes troubleshooting and correction of process failures, overseeing extruder assembly, maintaining damaged tooling, overseeing extruder startup, ensuring best practice sheets are recorded properly, and running PTFE development projects.

Responsibilities

• Technically competent in running multiple materials, process configurations, and different sizes/types of extruders
• Properly identify cosmetic defects including surface finish (roughness), OD/ID shear marks, cloudiness, black spots, undercooked/overcooked material, OD/ID lines, OD/ID cracks, cut ends, wall cracks, loose dirt, slippage, powder marks, lube smell in tubing, splitting, kinks/dents
• Properly diagnose dimensional problems including material flat, walls off, OD/ID/wall adjustments, concentricity/TIR out of spec, fluctuating size, ovality, cut lengths/tolerance/angularity
• Understand compounding topics such as overworked powder, wet/dry powder identification and prevention, pre-rolling requirements, cross contamination of resin, high moisture identification, sources of dirt pickup, coagulated pigment, failed Pantone/color inconsistency, filler dispersion issues, lumpy powder causes, jar washing rules
• Complete and organize process documentation and notes daily including proper filling out of BBPO, operator interface, and process-specific SLW extrusion
• Operate wire machine PTFE extrusion, tuber PTFE extrusion
• Demonstrate proficiency on coil, spool, cut put-ups, and measuring parts
• Understand HS/secondary input specifics, horizontal PTFE extrusion, preforming, preform dry out and pressure build-up causes, head fluctuations, required surface cosmetics of preform, gouges/scrapes/cracks in preform and their effects, color/filler pouring procedures and corrections, proper stacking of preforms, stripe issues
• Manage tooling matchups including rod/adapter, adaptor/mandrel, sleeve/master die, master die/insert, and polish (visual) and mandrel measurement
• Set up and operate test equipment to evaluate prototypes against specifications including tensile testing on Instron, SEM images, and IND measurement

Qualifications

• Minimum of one (1) year hands-on experience in operation of PTFE extrusion
• WorkKey Score Requirements:
  • Math – Score needs to be a 4 or greater
  • Reading – Score needs to be a 4 or greater
  • Locating Information – Score needs to be a 4 or greater
  • Wiesen score of 40 or better from Entry Level