Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 5 · column 2 of 9 · from the scan, no model involved
never used for ripping, he emphasized, only for cross cutting. And in cross cutting, claws on the anti-kickback attachment get in the way of the blade, creating rather than eliminating a safety hazard. Von Fange maintained.
In addition, he said, students have a habit of grabbing hold of the antikickback device to move the radial arm saw instead of using controls intended for that purpose. “We took it off for safety reasons," he emphasized.
Dennis added that OSHA inspectors also wanted a spring device installed that will move the radial saw back automatically after cutting. He maintained that this would create an additional safety hazard because it would require that pressure, be maintained at all times to keep the saw in place. “It's great for an assembly line but this shop machinery is used for teaching.” Dennis said.
The lower guard that Mrs. Ellis wants to see attached to the radial arm saw will also catch on the backstop against which wood is placed for cutting, as Dennis demonstrated during the interview. Driven by a three horse power motor, the blade turns at approximately 5,000 revolutions per minute, the building trades teacher pointed out. With the lower guard in place, this creates
94.8%