Chips Meeting

1:00 P.M. February 17, 2001, Collier Library

By Dick Kostelnicek - Secretary

Vance Burns - President presiding

Attendance 36 members with two visitors: Tom Smith and Emit Cranston.


Activities during the Chips Meeting

Vance Burns thanked Jan Rowland for producing the January newsletter in a timely fashion.

Keith Mitchell agreed to join the editorial staff comprised of David Whittaker and Jan Rowland to produce the newsletter on a monthly rotating basis.

Dennis Cranston reviewed the business meeting discussion concerning ways to attract new members. Dennis passed out copies of a brochure that he created describing the club and asked everyone to leave copies at the various business establishments with which they trade.

Ed Gladkowski suggested that we encourage business to include our brochure along with their mailings to customers.

Bob Rouse brought a list of machine tools and accessories he is selling due to his impending relocation. You can contact him at 409-753-2812.

Vance Burns showed a video tape on "Hot Rolling of Steel" produced by I. A. Recordings. The video covered the traditional way of hand manipulating 1200 degree C. red hot billets of steel to produce various bar shapes from multiple roller passes. Covered also was the multi-pass reverse cold roll method of straightening the finished bar shapes.


Feature Presentation

Lost Wax Investment Casting

By Dennis Cranston, club member

The investment casting method allows the production of multiple pieces from the same master pattern. Intricate shapes, that would be difficult to create by milling, may be built up from pattern components. Undercut sections, as found in many model railroad parts, are easily reproduced by this method.

Dennis described the steps that he uses to create castings:

Dennis says that the premier book on the subject is "Centrifugal or Lost Wax Jewelry Casting" by Murray Bovin.

Show and Tell

Bill Kimbrough brought a "break-off-blade knife holder" that he fabricated from titanium and anodized to a rainbow of colors. "Stanley Works, look out for the competition."

Doug Chartier showed a jig that he uses to hold pilot lamp spacers that he mass-produces. The hex spacers are drilled and counterbored by a tool held in the tailstock. The jig is simply a common hex socket, chucked at the headstock, and has an internal backing support.

Joe Scott showed several fixtures that he fabricated to perform multiple drilling operations on antique reproduction gun parts. Of high interest was the clamping vice whose faces were molded from epoxy putty that was pressed against the part to be held. The vice grips and aligns a compound curved part during the drilling operations. With pride, Joe commented "This is the only place I can brag. My wife is not interested in this stuff."

Joe Williams showed his spindle adapter for a 3-inch ID Scotch Bright wheel and several samples of metal cleaned with the abrasive wheel. He also displayed a long reach water-cooled TIG welding torch that he manufactures for commercial use in building oil field valves. "This is a superbly designed and fabricated piece of equipment."

Rich Pichler distributed an article describing the manufacture of Damascus steel blades.

Bill Sperry distributed a line sheet from a plastic supplier that he discovered in South Houston.

John Hoff showed his "Work in Progress'", a grinder-sharpener for large diameter drill bits. He plans to employ an adjustable, but as yet unspecified, cam mechanism to generate the back relief on the drill lip.

Dick Kostelnicek demonstrated the use of a small, hand-held, battery operated screwdriver with a large square tang bit that he built. He uses the driver to rapidly remove and reverse the jaws on a four jaw independent chuck. "This sure beats messing around with a T-handle chuck wrench."


Additional Discussion

Bill Hobbs said that he has some excess petrobond binder for sand casting.

Don Foster described his trailer mounted "History of Steam Display" and invited members to view it after the meeting at his home.