| Domain | Definition |
| Mechanical Engineering | The cotton on the pins of the elevating apron is carried to the rapidly revolving -- or --, which strips the cotton from the spikes and delivers it to a conveyer for the next operation. Source: European Union. (references) |
| Occupations | 1: Doffs bobbins of yarn from spindles of spinning, twisting, or roving (slubber) frames: Pushes button to stop machine and depresses pedal to lower ring bar, allowing yarn to wind around base of spindle to facilitate restarting. Removes full bobbins of yarn from machine spindles, deposits yarn in handtruck, and places empty bobbins on spindles of machine. Releases pedal to raise ring bar, starts machine, and $T3pieces up$T1 breaks in roving or ties breaks in yarn ends. Records information, such as doff time, date, and initials to complete company form. Applies grease or oil to rings, using finger or oilcan. May change travelers [TRAVELER CHANGER (textile) 682.687-010]. May brush waste from machine. May be designated according to machine doffed as Slubber Doffer (textile); Spinning Doffer (textile); Twister Doffer (textile). (references) |
| 2: Tends equipment that flushes rayon yarn with boiling bleach solution to remove spinning-bath residue and bleach product prior to finishing: Removes full cones, bobbins, $T3cakes,$T1 or skeins of yarn from spinning (forming) machines and places product on wash rack. Turns valves to start flow of bleach water to flush yarn. Replaces empty bobbins or cones on spindles of spinning machines. May hang skeins in tubs of bleach solution and be designated Dipper (plastic-synth.) or in tubs of chemicals and be designated Desulfurizer, Hand (plastic-synth.). May wrap cakes of yarn in cloth to protect cakes during washing, bleaching, steaming, and drying operations or to partially dry cakes after washing [CAKE WRAPPER (plastic-synth.)]. May perform duties of DRIER OPERATOR (plastic-synth.) III in plants where washing, bleaching, and drying are combined into single operation. May be designated according to article washed and bleached as Bobbin Washer (plastic-synth.); Cake Washer (plastic-synth.); Skein Washer (plastic-synth.); Staple Fiber Washer (plastic-synth.). May tend equipment that processes yarn in single operation and be designated Desulfurizer, Machine (plastic-synth.). (references) | Source: compiled by the editor from various references; see credits. | Top |
| Expressions | Domain | Definition |
| Beam doffer | Occupations | Removes and replaces warp beams on looms, warpers, and slashers. Conveys full and empty beams to and from machine, using handtruck. May place harness assembly attached to new warp yarn with corresponding ends left in loom to facilitate tying-in process. May work as member of team to mount beams on looms. (references) |
| Can doffer | Occupations | Doffs and transfers sliver cans among carding, drawing, and slubbing machines: Pushes or drags full sliver cans from carding to drawing, and from drawing to slubbing machines to maintain workflow. Removes empty cans from drawing and slubbing machines and places them in position for reuse at carding machines. May sweep work area or clean machines. May be designated according to machine area worked as Card Doffer (textile). (references) |
| Head doffer | Occupations | Leads activities of workers engaged in doffing spinning frames, applying knowledge of yarn types and duration of spinning process: Transmits instructions from supervisor to workers and observes workers to ensure that procedures, rules, and regulations are followed. Reports work rule infractions to supervisory personnel for resolution. Explains and demonstrates doffing techniques to train new employees, and assists workers in resolving problems. Patrols work area to determine frames requiring doffing. Observes taper (build-up) of yarn on bobbins to determine frame doffing priority, utilizing knowledge of yarn types being processed and length of processing cycle. Posts frame numbers on chalkboard to inform workers of doffing schedule. Verifies accuracy of doffing production reports and submits report to supervisory personnel. $T3Pieces up$T1 yarn breaks detected. Maintains supply of spinning bobbins and doff boxes (attachments for handtrucks) for workers to facilitate doffing of frames. May perform duties of absent workers. (references) |
| Loom doffer | Occupations | Removes rolls of cloth from looms or knitting machines and trucks cloth to storage: Pulls lever or presses button to stop machine when roll has sufficient yardage as indicated by yardage clock, mark on cloth, or color-coded card flag. Turns handle to lower roll of cloth, cuts cloth, using scissors, and places cloth roll on handtruck. Places empty takeup beam on bracket of machine, attaches cloth to beam, and restarts machine. Writes identifying information, such as lot and style number, on ticket and attaches ticket to cloth roll. Trucks cloth to storage or inspection department. May weigh and keep record of cloth beams doffed. (references) |
| Mangle doffer | Occupations | Off bears pressed knitted garments, pillowcases, or other textile products, from rear of mangle press, and places articles on handtrucks. (references) |
Source: compiled by the editor from various references; see credits. | Top |
