squaring shear การใช้

• Other geometric possibilities include the squaring shear, angle shear, bow-tie shear and bar shear.
• Lynch Machinery Co . Inc . of Havertown won an $ 88, 145 contract from the Coast Guard Civil Engineering Unit in Honolulu for the purchase, delivery and installation of mechanical squaring shears.
• From 1879 to 1905 he secured more than 100 U . S . and foreign patents for sheet metal manufacturing machinery such as roller dies, the sleeve die, automatic feeding mechanisms for press work, power squaring shears, toggle presses, machines for shearing and punching sheet steel, and the original method of corrugating sheets by means of rolls.