A compression shoe for use on a concrete products forming machine comprises a main body and a plated layer overlaid on the main body. The main body is configured to be slidingly received within a mold cavity of a concrete products mold. The plated layer overlaid on the main body of the compression shoe comprises a uniform electroless nickel (Ni), phosphorus (P), and polytetrafluoroethylene (PTFE) nano dispersion coating to effect enhanced material release characteristics by preventing the build-up of material on the compression shoes and enhancing their wear characteristics.

A method of manufacturing an optical component having micro-structures is described. The method detects a crystallization temperature within a crystallization temperature interval for fully filling the molding material into a mold cavity to rapidly produce the optical element having a micro-structure with a large area.

An ultrasonic molding device for molding thin-walled optical components which includes an ultrasonic assembly and a plunger assembly for melting thermoplastic material and injecting it into a mold under reduced pressure conditions.

A compression shoe for use on a concrete products forming machine comprises a main body and a plated layer overlaid on the main body. The main body is configured to be slidingly received within a mold cavity of a concrete products mold. The plated layer overlaid on the main body of the compression shoe comprises a uniform electroless nickel (Ni), phosphorus (P), and polytetrafluoroethylene (PTFE) nano dispersion coating to effect enhanced material release characteristics by preventing the build-up of material on the compression shoes and enhancing their wear characteristics.

A lens molding apparatus (100) of the present invention includes: a mold (1) having a transfer surface (1a) for transferring a predetermined lens shape to a resin material; a mold (2) having a transfer surface (2a) for transferring a predetermined lens shape to the resin material; a support device (3) for moving the mold (1); a heating device (4) curing the resin material so as to form a lens, the resin material having been supplied between the transfer surface (1a) and the transfer surface (2a); and an ultrasonic vibrator (5) applying vibration from a side surface of the mold (1 or 2) so as to form a gap at least at a part between the transfer surface (1a or 2a) and the lens.

The present disclosure discloses a method for preparing a tensile specimen and a vibration curing device. The method includes obtaining a colloid mixture and putting it into a beaker and using a stirring device to stir the colloid mixture mixed evenly. The method further includes putting the colloid mixture into a vacuum dryer, and spraying a release agent on cleaned tensile specimen mold, and using a needle to inject the colloid mixture into a molding groove of the tensile specimen mold and filling the molding groove, fixing the pressing plate and the tensile specimen mold together to form a whole mold, fixing it on a vibration platform of a vibration device, turning on the vibration device to vibrate the whole mold and to heat the whole mold to a predetermined temperature, cooling the whole mold, and demolding the whole mold to obtain the tensile specimen of the structural adhesive.