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 The broach itself is drawn by a twin lead screw mechanism geared together and driven by a 1/4 hp motor mounted in the unit. Controls consist only of a reverse starter switch for the cut and return stroke of the broach. Limit switches within the machine shut off the motor at the completion of each stroke. This floor standing model gives a comfortable working height at the base jaw clamp. Engineering reports throughout industry indicate that the milled notch doesn’t compare to the superior quality of our broached notch. Results are more consistent and reliable with no worry of dull mill cutters causing notch surface finish deterioration, critical dimension change or induced cold working. SAVES TIME. Technicians will be testing impact specimens rather than practicing continuous shadowgraph inspection or other time consuming checks. CNB - 31 motor operated single speed (approx. 4.75/ft. min.) to produce ‘ V ‘ or ‘ U ‘ notches in 10 mm (0.394’’) impact test specimens. 220V, 50/60 cycle single phase ONLY (broach not included) CNB– 33 variable speed (approx. 1.4 to 7.45/ft. min. to produce ‘ V ‘ or ‘ U ‘ notches in 10 mm (0.394’’) impact test specimens. 220V, 50/60 cycle single phase ONLY (broach not included) The vari speed machine is made available to satisfy demands for broaching notches in material up to RC60. The slower cutting speed is also desirable to extend the life of the broaching tools between sharpening when cutting these harder materials.
 * This most popular broaching tool is now offered with TiN ( titanium nitride) coating to extend the tool life. Additional price is $60.00 with this coating.
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Since 1968 METLAB has specialized in equipment and supplies related to Metallography, Metallographic, Metallurgical, metallurgical industry. Equipment would include abrasive cut-off machines, mounting presses and grinding and polishing machines. |