A maintain device for three-dimensional make-up machine is disclosed. The three-dimensional make-up machine comprises a print module comprising a printhead and a plate disposed on two opposite sides of the print module and having a protrusion rod. The maintain device comprises a covering unit biasing against and covering the printhead of the print module, a covering unit dust-proof device for cove...

The present invention relates to a platform and a method for locating a panel without contacting the panel. The platform includes a flat, a hole for blowing, a locating bump and a detector. The gas ejects from the holes with an angle other than 90 degree for supporting and transporting the panel and then the panel is located by the locating bump and the detector.

A push device for a chain disc type magazine of a machine center includes an auxiliary unit mounted thereon and a change frame corresponding to the chain disc type magazine. The auxiliary includes two support blocks respectively slidably mounted on two opposite sides of the change frame and selectively moved relative to the change frame. The two support blocks are provided to accurately support th...

A chain disc type tool magazine includes a chain wheel seat and a chain mounted surrounding the chain wheel seat. Multiple clamp units are mounted on the chain. A rectangular structure is formed on the periphery of the chain wheel seat and having four guide surfaces. Each clamp unit has a bottom plate extending therefrom and abutting against an upper guide surface of the chain wheel seat. A clamp ...

A fixture for fixing a workpiece on a precision machining tool has a positioning surface. The positioning surface includes at least one positioning region. The positioning fixture defines a cavity group from a boundary of each of the positioning region towards an inner portion thereof. Each cavity in the cavity group communicates to two neighboring cavities.

The invention relates to a method for grinding a continuous casting product (1), in particular a slab, wherein the continuous casting product has in cross-section a rectangular contour with two opposing long sides (2, 3) and two opposing short sides (4, 5), wherein at least the long sides (2, 3) are exposed to a surface treatment by means of at least one grinding tool (6). In order to achieve a hi...

Structured fixed abrasive articles including a multiplicity of three-dimensional abrasive composites fixed to the abrasive article, the abrasive composites further including a multiplicity of ceria abrasive particles having a volume mean diameter from 100 to 500 nanometers (nm) in a matrix material, the matrix material further including a polymeric binder and a multiplicity of surface treated ceri...

Superabrasive tools and associated methods of making and using are provided. In one aspect, for example, a superabrasive tool having improved superabrasive particle retention is provided. Such a tool can include a matrix layer and a plurality of superabrasive particles held in and protruding from the matrix layer, whereby surfaces of the plurality of superabrasive particles contacting the matrix l...

The present invention provides an expansion connector for easy mounting/dismounting, which mainly includes: a main body and an enclosure, in which the interior of the main body forms a circular bore. An upper wall of the circular bore forms an internal thread. A lower portion of the main body forms an external thread. An intermediate wall of the circular bore of the main body forms a hexagonal ape...

The present invention provides a structure of twisting-free bi-directional switch-controlled ratchet wrench, which includes at least a main body, which includes a through housing region for receiving a ratchet member therein, a replacement region for receiving an arresting member, a spindle region for rotation of a shaft part of a wrenching member, a force application region for urging engagement ...

The present invention provides an externally mounted electronic angle measurement device, which is applicable for being mounted to a hand tool, in which the hand tool includes a driving rod, a drive head mounted at one end of the driving rod, and a sleeve adapter mounted to one side of the drive head for fastening screws. The externally mounted electronic angle measurement device includes an enclo...

A self-controlling-type torque device for pneumatic tool includes a rotation control unit, a trigger assembly rotatable with respect to a valve stem, and a driving unit pivotally mounted between the rotation control unit and the valve stem. The rotation control unit includes a first rotation control element and a second rotation control element, which function to transmit power through forward/bac...

The present invention relates to a torque adjustment and locking mechanism of torque tool, and particularly to a torque adjustment mechanism that allows for precise adjustment and fast locking for a spanner or a screwdriver. The torque tool comprises a shaft that is rotatably arranged behind a strain spring of a strain gauge of an operation handle thereof. The shaft is threadingly coupled to an ad...

Disclosed is a clamp device of torque testing machine. The clamp device is mounted on a platform. The platform also comprises a driving device. The driving device is provided for a working end of a torque wrench to be positioned thereon. The clamp device clamps and fixes a handle of the torque wrench. The clamp device comprises a plate, an oscillatory body, and a slide body. The plate is set on th...

A palm nailer comprises a soft protective sheath set over a handle portion that is to be held by a hand of a user in order to reduce the impact force acting on the hand during the operation thereof. Furthermore, the soft protective sheath and the handle portion together form a space communicating between interior of the palm nailer and the outside, whereby after the operation of the palm nailer, a...

A safety device set on a nail gun or a tool comprises a safety assembly, a driving assembly, a trigger assembly and a switch valve. After a workpiece is aligned and against by a nail, user squeezes the trigger to the first section, and the driving assembly is driven and pushes the safety assembly covering the workspace. When user squeezes the trigger to the second section, the switch valve dischar...

The present invention provides a frog-leg type transferring machine that is used to move work pieces linearly in the same horizontal plane to achieve prevention of lateral rocking and reduction of micro particles production. In the frog-leg type transferring machine, one end of two free arms (22) is installed on the base stand (21) through the first rotating shaft (33). The transferring arm (23) i...

A kind of safety cover for industrial robots is capable of protecting operators and preventing the industrial robot from being damaged even though the industrial robots collide. The safety cover for forming at least a part of an operation area of the industrial robot includes a tabular cover component (21) made of resin, colliding with hands or arms of the industrial robot beyond the oeration area...

Provided is a cutter which can reliably form a diagonal crack further in the direction of the thickness of a brittle material substrate. The cutter has a shape wherein the congruent bottom surfaces of the two circular cones or two circular truncated cones sharing a rotating axis (22) are bonded and the circumferential portion of the bottom surfaces is formed as a blade edge ridge line (21). On the...

Methods and apparatus provide for delivering a controlled supply of gas to at least one aero-mechanical device to impart a gas flow to suspend a material sheet; preventing lateral movement of the material sheet in at least one direction when suspended; and imparting a stream of water, from a side of the material sheet opposite the at least one aero-mechanical device, to dice the material sheet whe...