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I designed a torque measuring tool that uses a load pin to measure reaction torque from a hydraulic cylinder. We can measure 50,000 ft lbs torque. Use an encoder for rotational position. Ed Danzer www.danzcoinc.com www.dehyds.com

I spent several hours riding downhill with a Fox 40 Float air front fork Saturday and had it get stiff from gas temperature change. The change was from 1+” sag to none in the front. The Vivid air in the rear did the same thing but I did not measure the sag difference. The ambient temperature...

In some business areas it may be required to dimension every detail of every feature to make sure things are machined as designed. In low volume and repair it is much more common to only put in the required solid model features and dimensions and write notes of details than expect the programmer...

LittleInch is correct in that the calculations become very complex. To get good results you will need a good software. I have looked at doing this type of simulation and LMS is probably the best choice if you don't want to create the math. http://www.lmsintl.com/LMS-Imagine-Lab-Platform Ed...

Temperature will have a significant impact on you gas suspension if your accumulator gas volume is not large enough. Some years ago I spent some time and money on a delimbing machine that used accumulators in a closed loop system without a pump for knife pressure control. Even a 10° temperature...

Vikor, We are in a lower margin low volume (1-20 parts)per lot job shop so the cost of the drill and sharpening cost can be very important. We do some carbide insert, carbide tip, solid carbide and special high speed steel drills for some applications. Most of the drills we inventory are 118°...

It may be possible to do this if more information about the application is known. What is an acceptable acceleration and deceleration time and distance? Is it acceptable to have a higher force available during acceleration? Is positioning accuracy required? How frequently will it be actuating...

Is there a good reference book for compression molding large tubular Acetal parts? Ed Danzer www.danzcoinc.com www.dehyds.com

The machine tool and cutting tool industry is not an industry that accepts change quickly so standard methods and specifications continue long past their prime. Even adoption of new technology is slow in these industry in general. Much of the work done by the pioneers of an industry was done by...

I just spent an hour+ on a conference call with the VAR and SolidWorks about the problem and there appears to be some issues to be further defined about the problem with the objective to have a short term fix/workaround and a long term fix. There is at least two know bugs one possibly going back...

I’m one of the first few hundred people to adopt SolidWorks in 1995. Early on I realized that a good parts library and design standards were required. This was before PDM or PLM so I tried to have each SolidWorks file contain as much information as possible and make family parts to be mate...

Today I recieved a note that my problem with the SolidWorks drafting standard is not designed to work with files from 2009 and eariler. This appears to have effected about 30,000 of my files and several thousand of a customers files. It seams I should do a convoluted work around, submit another...

I hope you get more respect from you reseler and SolidWorks than I do. I appears the latest version has damage 30,000 files and it is my fault. Ed Danzer www.danzcoinc.com www.dehyds.com

What is the application? We experimented with a casing hammer and used a pilot operated check valve to uncrease the flow for the high speed movement so the control valve did not have to be so large. We had to vibration isolate the valves and use thread locker on the fitings. The acceleration...

Actually there is a problem with the drawing template standard as implemented. It only took me 8 man hours to finely get the problem address with two SPR's. 1-3795057238 SPR 714488 "'system option_file location_drafting standard' apparently doesn't produce any result" 1-3794224991 SPR 714486...

Today I consider the sldSTD a form of disease. For some reason I have never had my custom templates not use the existing standard I developed for 8 ½” X 11” drawings until SP3. I didn’t even know about the .SLDSTD template until today. My VAR has very little knowledge about this also. I need to...

A license plate part numbering scheme is great if you don’t have to use it to build stuff with. A semi-significant method seems to be the best of both worlds. We have a customer that uses a license plate method and struggle to find items for reuse because name searches can provide too many...

Where would I find information about microstructure and acoustic dampening? Carbide bars are good for reducing vibration and allowing longer L/D ratios could this be because of the material being sintered more than being tungsten? I have done a static FEA on both 1118 carbon steel and tungsten...

The application is machine tool boring bars and rotating tool holders. Over the last 15 years we have been forced to make or modify some holders for unique applications. It seems that none heat treated materials don’t chatter as bad (they seem dead) the problem is the chips damage the soft...

I would like to know if there is any information about case hardening steel either by carburizing or induction hardening changing the natural frequency of a steel bar. Ed Danzer www.danzcoinc.com www.dehyds.com