| Job Title |
Sponge-press Operator |
| Job Description |
Operates Combination Calendering Mill And Vulcanizing Conveyor
That Rolls Out And Cures, In Continuous Process, Sponge Rubber
Sheeting For Use Gaskets, Underlay For Carpeting, And Insulation
For Footwear: Turns Handwheels And Capstan Screws To Set
Distance Between Calender Rolls And Between Vulcanizing Plates
And Conveyor, Verifying Setting With Feeler Gauges. Operates
Calender To Produce Uncured Sponge Rubber Sheeting [calender
Operator (rubber Goods; Rubber Tire)]. Turns Rheostat For Each
Vulcanizing Plate To Designated Temperature Setting And Observes
Heat Indicators. Starts Conveyor, When Plates Reach Specified
Heat, To Vulcanize Calendered Sheeting Beneath Them. Replaces
Worn Canvas Conveyor Belts Between Calendering And Vulcanizing
Units, Using Portable Vulcanizing Machine To Bond Ends. Adjusts
Tension Bars That Tighten Belt, Using Wrenches. Mounts Roll Of
Underlay Backing Cloth Into Cradles, Using Electric Chain Hoist.
Threads Backing Cloth (netting) Through Cement Trough And Series
Of Rollers That Press It Onto Sponge Rubber Sheeting, And
Through Drying Oven. Adjusts Width Between Calender Rolls To
Increase Or Decrease Thickness Of Sheeting And Adjusts
Temperatures Of Vulcanizing Plates When There Are Deviations
From Specifications In Thickness Or Curing. May Operate
Vulcanizing Conveyor Without Warming Mill, Calender, Or
Vulcanizing Plates That Draws, By Vacuum Pressure, Uncured
Sponge Rubber Between Links Of Wire Mesh That Expands And
Vulcanizes Rubber As It Passes Through Heated Oven To Produce
Waffle-imprinted Underlay On Precalendered Stocks And Be Known
As Rug-underlay-machine Operator (rubber Goods).
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