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Filler Application Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
After Edge Scouring Operations in Outsole Process, the outsole edge may still contain small pores, scratches, fibre openings, and minor surface irregularities. These imperfections must be corrected before final colouring, waxing, and polishing. Filler application fills these minor imperfections and creates a more uniform edge surface. Importantly, filler also helps control heat-related edge damage during high-speed emery-wheel operations. When an emery wheel rotates at high speed, friction between the abrasive and exposed leather fibres generates heat. Excessive heat can burn, darken, glaze, or harden the leather edge. Therefore, filler acts…
Outsole Pressing Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Outsole Attaching Operations in Outsole Process, we covered the accurate positioning and attachment of outsole components within the Stock Fitting process. Once the outsole has been attached, the assembly immediately moves to the pressing operation. Outsole…
Outsole Attaching Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous article, Drying and Activation Operations in Outsole Process, we discussed how adhesive-coated components are dried and activated to achieve the required tack before bonding. Once activation is complete, the adhesive surfaces remain effective only for a limited…
Drying and Activation Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous blog, Secondary Cement Coating Operations in Outsole Process, we covered the application of the second adhesive coat on the outsole. Once this coating is completed, the outsole must pass through controlled drying and activation before it can…
Secondary Cement Coating Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
In the previous blog, Primary Cement Coating Operations in Outsole Process, we covered the fundamentals of adhesive preparation, surface condition, application technique, drying, and general quality controls. These principles also apply to the secondary coat and should be followed according…
Primary Cement Coating Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
After Priming Operations in Outsole Process, the next important stage in the Outsole (Stock Fitting) Assembly Series is Primary Cement Coating. Priming prepares the outsole surface for bonding, but primer alone does not create the final adhesive bond. Primary cement…
Priming Operations in Outsole Process: Outsole (Stock Fitting) Assembly Series
Building a Strong Chemical Foundation for Reliable Bonding Modern footwear manufacturing demands consistently high bond strength between the upper and outsole. Although adhesive selection receives considerable attention, many bonding failures originate long before cement is applied. One of the most…
