Precision Gage Solutions: Thread-Check

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Proper Care And Usage Of Gages

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Check Out the New Rotary Thread Inspection Tool.

Happy Holidays from Thread Check Inc.

Check Out the New Rotary Thread Inspection Tool.

Happy Holidays from Thread Check Inc.

Thursday, March 4, 2010

INSPECT THREADS FAST & ACCURATELY WITH THE ROTARY THREAD INSPECTION TOOL! Click Here For More Info.

INSPECT THREADS FAST AND ACCURATELY

The patented Rotary Thread Inspection Tool accurately inspects internal screw threads for functional size and depth faster and easier than conventional methods. The unique Rotary Thread Inspection Tool safely checks internal threads while eliminating operator arm and hand fatigue and repetitive motion injuries. The instrument features a portable and ergonomic design engineered for industrial applications. The unit is supplied with high performance rechargeable NIMH “quick change” batteries that provide long lasting hours of operation. It also includes a patented depth control feature with automatic reversal.

Patent No.
7661196.

Thread Check Inc. Precision Gage Solutions | 390 Oser Ave., Hauppauge, New York 11788 USA
info@threadcheck.com | www.threadcheck.com | tel: 800.767.7633 | fax: 800.767.2034

Monday, December 21, 2009

Happy Holidays from Thread Check!

Thread Check Inc. Precision Gage Solutions | 390 Oser Ave., Hauppauge, New York 11788 USA
info@threadcheck.com | www.threadcheck.com | tel: 800.767.7633 | fax: 800.767.2034

Proper Care And Usage Of Gages

Part dimensions to be gaged should be cleaned and burr free to prevent gaging interference. Grit and part chips which become lodged in thread gages will create scratches and wear on the flanks of threads and on the outside and inside diameters of cylindrical plain gages. Various materials such as aluminum and castings are extremely abrasive and will tend to wear out gages more quickly than other types of materials. Finer pitch and smaller diameter thread gages tend to wear quicker than larger and coarser pitch gages and have less gage tolerance as well. Regarding thread gages, it only takes a small amount of wear to have a significant effect on the pitch diameter. The wear on each flank angle is multiplied by almost 4 times to determine the total impact of wear on the pitch diameter. 50 microinches or 1 micron of wear per thread flank will impact the measured size by .0002” which can be the total tolerance of many thread gages.

Selecting higher precision gagemaker tolerances for cylindrical plug and ring gages will consume less product tolerance and will allow the acceptance of slightly more product but with less gage wear life and greater expense. Thread Check’s engineering staff can make recommendations in selecting the correct gagemaker tolerances for a given application. The normal rule of practice requires that 10% of part tolerance be divided between the Go and the No Go gages. Applying this practice results in gage tolerance always being included in the part tolerance by up to 10%.This could result in the possibility that 10% of good parts may fail inspection but that no bad product would ever pass. Assuming that higher precision gagemaker tolerances are better, is not valid, and may create quality issues as these gages tend to wear quicker with the potential of becoming undersized and passing bad parts.

Gages should be turned or pushed slowly and gently into or onto the dimension being checked. Forcing gages will result in faulty gaging and the possibility of damaging both the part and gage. Spinning thread ring gages or thread plug gages onto or into parts will create greater friction and increased wear thus reducing the life of the gage.

Using hard chrome plated thread gages can extend the wear life by more than 100% over standard tool steel gages which can provide dramatic savings on replacement costs. Thread Check supplies all standard size thread plug gages in inches and metric up to 1 ½ or 39mm in diameter in hard chrome at no additional cost. Other options for coatings and alternate material for thread gages and cylindrical gages include tin coat, carbide, alternate steels and even ceramic. There are pros and cons to utilizing various coatings and materials in gage applications which should be discussed with your gage maker. For example, gages made of carbide and ceramic are extremely durable and have excellent wear properties, but can be extremely brittle and break and chip if not handled carefully. Read More about Proper Care And Usage Of Gages

HOLIDAY SHUT-DOWN

Thread Check Inc. will be closed for the following upcoming holiday observances. During these periods there will be no customer service or operation support.

We will be closed starting December 24, 2009 through January 3, 2010 for Christmas/New Years. Open for normal business on Monday January 4, 2010.

This allows time for our Associates to spend the Holidays with their families.

Orders and inquires may be faxed or emailed to us for processing when we return.

We wish you and your family the very best this holiday season.

Thank you for your business.

Thread Check Inc.
390 Oser Ave.
Hauppauge, NY 11788

Ph.# (631) 231-1515 or (800) 767-7633
Fax# (631) 231-1625 or (800) 767-2034
E-mail: info@threadcheck.com