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I have a part that needs a counterbore on the inside wall of the part, drilled through to the outside. Are most machine shops equiped to do this?

Is the mathcad single user license protable so that I can use it on my desktop in the office, and on my laptop when I am travelling?

Very insightful response. Thanks.

I just purchased it a couple of weeks ago. No problems. Works great for me. Richard Lee, PE www.led-inc.com

I also limit liability in my proposals. Whether it is enforcible I do not know. If you have bought services from other design companies, take a look at their proposals. I design and build machinery. I had purchased a lot of machinery over the years, so I had some examples of how other...

Thanks, I was afraid of that. I've always felt similar competitive devices were way overpriced. They are priced more than #1 or #2 would be for my company, but then the other companies have a lot more overhead and mfg reps to support. But, apparently they are able to sell at that price or...

I have some machines that I design and sell, they are a semi-standard design that I've created and then I adapt it to the particular need. The 1st ones I sold at a very slim margin over the cost of the components. In order for my business to survive, I need like to adjust the price to a point...

Yes, I find reference to the distinction between custom and shrink-wrapped software here in Virginia also.

I spoke with someone at the state department of taxation. He seemed very confused about the whold thing.

No. A hot tub is not a necessary tool used to produce a product. A piece of software is a tool that may be necessary to produce a product.

Below is a link to the form that is given to vendors when we buy parts or tools to build a machine that will be resold: http://files.engineering.com/getfile.aspx?folder=ee20061b-abce-4d45-89a0-ae9917bdb0b6&file=ST-11.pdf I'm curious if item 2 could include software as a tool used to produce a...

Does anyone know specifically in Virginia if I would need to pay sales tax on CAD software bought for my small engineering corporation? Is it considered a tool?

After considering the advice from others, "consultant A" chose option 2, and decided to not give it any more worry. He said thanks for all the thoughtful replies to the hypothetical situation. Later, customer said he was just kidding.

Thanks, but unfortunatley, "consultant A" is his own boss, in this hypothetical situation.

Hypothetically, whats the ethical response for this situation: A customer employee that hired "consultant A" is being forced into retiring from his position by his company. The customer employee suggests using his influence to steer a final project to "consultant A" during his last days, and...

I have a one person corporation, and I use quickbooks pro. It is tedious to keep up with. I'm not always certain that I am doing things correct, especially with taxes and payroll, but I do the best I can. A class would help a lot. When I have more time and/or more money, I will look into...

Some customers I support with routine questions that require maybe a few hours per week, and some occasional calculations or diagrams supporting the answers/opintions. Currently we get a PO from them for maybe 40 hours, then I invoice every two weeks against the PO until its depleted, then get...

I noticed that too. The pins seem to move in a clump initially, rather than bouncing around the way I would expect in reality. Are the material properties settings perhaps WAY off, or is it not modelling physics very well, or is the demo not what is implied by the video?

Thanks pdybeck. The bowling simulation is much closer to the type of simulation that I'm interested in; do you know exactly what level of solidworks is used; the basic package, Office, or Office Premium, or other, etc? Approximately what is the current list price for that particular package...

I believe Greg is correct. What I was looking for is to model free body collisions. My software, Alibre, only does motion simulations with kinematics. I cannot model physics with contact and friction among free, unconstrianed bodies, only kinematics with things like linkages. The last time I...