Thu, 29 Jul 2010 21:53:07 -0400 -
Posted in 4100 hp toner
The CNC saw can break the engineered stone slab
Cutting engineered stone on a CNC saw can cause the slab to crack due to high tension inside the slab. There are a couple of simple rules you have to follow to prevent the slab to chip or even crack.
Engineered stone is not real stone. It is a man made product and consists mainly quartz and resin which in other words is crushed stone and chemicals. This ingredients getting mixed together and poured into a slab form. This process creates tension inside the material which can cause the slab to crack during cutting.
Every brand and color of engineered stone reacts different while cutting. It even comes down to certain batches, some crack and others don’t.
It is very important to do the first few cuts correctly and there will be no problems. The more pieces you have cut out of the slab the less likely the slab will crack anywhere.
Follow this simple rules
- Do not plunge cut – always start your cuts from outside of the slab
- Do not stop your cut just shy of the end of the slab, cut all the way through
- Keep the blade sharp by running the blade through sandstone offcuts
- If you do a lot of mitre cuts the cutting edge of the blade will get worn more on one side which causes the blade to run off. You can fix this with a 36grit stone and your hand grinder
Some CNC programmers and operators facing a problem with the CAM software they using. The CAM software is so automated that they can not influence the way the machine is going to cut and whoever made the CAM program did not consider engineered stone.
One of our competitors came to us recently to ask for advise as he knew that we running our CNC bridge saw for much longer then he does. He said he has got this new CNC saw which was so simple to program but can not cut engineered stone without cracking the slab or at least chipping a corner. He was very frustrated and was already thinking of getting rid of the machine and buy a manual saw instead.
After a while of talking we figured out that the CNC machine and the saw blades are not the problem but the CAM software. This software is so simple that there is no way to manually control the cutting. There are lot more things wrong with this particular software but that is food for another article.
This is a short video showing the simulation of cutting a engineered stone slab using the CAM software WCAM2K.
What I used to do. . .
Before I found design software I was in the stone ages. I would actually hand lay out a template on a piece of paper. Then cut it out. Next, I would tape the design onto a piece of steel and trace around it with a Sharpe Marker. Finally, I would cut out the piece I wanted.
No matter what, it was never exact. There would always be something wrong. Things like wavy lines, gouges and “unique parts” were the norm. Measurements were never as exact as I would have liked either. That usually caused some fit-up issues, followed by some grinding. If you know anything about fabrication, grinding is the enemy of your time.
Why use Design Software?
I knew there had to be a better way so I found some design software to try out. Yes, it does take some time to learn. Think about it, like anything else in life, something that is worth it takes some time. This is also the situation of taking one step backwards to move ten steps forward.
Here are some advantages of using Design Software:
Saved file you can use over and over
Transfer the design to others
Can use exact measurements
Repeatability in design
Here are some disadvantages of using Design Software:
Cost money
Takes time to learn
May not be the quickest way of making something if it is a “One Off”
My Definition of Design Software
If you are an engineer, you will probably consider CAD Software as design software. That is true. But what I am talking about here is “Creative” Design Software. These software packages are used by creative types for print, web design and logo design. This software is great for creating designs that flow and are artistic in some way.
Design software can be boiled down to what it is good at. If you want to make a square with a hole in it or a triangular gusset, then CAD type design software works great. If you want to cut out a Cowboy on a Horse, then “Creative” Design Software is the only way to go.
Here are some examples of work for “Creative” Design Software:
Plasma Art
Router Art
Signs
Engraving
Every CNC machine has quirks that you need to learn. Every CNC machine has a different working envelope. Every CNC machine is just a little bit different then the rest of them. It is in your best interest to learn your machine before you put it to work.
Generally, with a CNC machine, we are machining something. While machining, “chips” are being thrown off. Sometimes at a very rapid speed. Here is where safety glasses, face shields and material barriers come into play. Use them! The machine doesn’t know you are standing there. In the words of every boxing ref before a match, “protect yourself at all times!”
Every CNC machine has quirks that you need to learn. Every CNC machine has a different working envelope. Every CNC machine is just a little bit different then the rest of them. It is in your best interest to learn your machine before you put it to work.
Thu, 29 Jul 2010 21:53:10 -0400 -
Posted in motoneurons disease
That's what I am taking now 2 a day (from about 7 weeks on) .......I was getting REALLy, Really, constipated from the iron in the prenatals and could not handle them anymore.....I heard that flintstones are ok to take (2 per day) ........I also supplemented with some more foilc acid at the beginning, but now only take the flinstone vitamins~
I would just compare ingredients and see if 2 flinstone vitamins are comparable to 1 prenatal~
You can get what you need from your diet, making a prenatal vitamin not necessary. However, if you are having a lot of morning sickness or your diet is not as good as it could be, then a prenatal vitamin will give you what you are missing.
Specifically, a pregnant woman needs Folic Acid (Folate or Vitamin B-9), calcium, iron, and omega-3 fatty acids.
Folic Acid: This has been shown to help reduce neural tube defects. Food sources for Folic Acid: spinach, turnip greens, lettuces, dried beans and peas, fortified cereal products, and sunflower seeds. 400 – 600mcg per day, unless you have previously had a child with a neural tube defect (such as spina bifida), then talk to your provider because you may need more.
Calcium: your prenatal vitamin does not offer enough calcium, so this should be supplemented by your diet and / or a calium supplement. You should shoot for approximately 1000 – 1300mg per day. If you are not receiving this amount, you could place yourself at risk for developing osteoporosis. The calcium is necessary for the baby’s development and to preserve your bone density.
Iron: This is to prevent anemia during pregnancy, which can occur as a result of increased blood volume to support the baby. Food sources: red meat, fish, poultry, lentils, beans, leaf vegetables, tofu, chickpeas, black-eyed peas, potatoes with skin, and bread made from completely whole-grain flour. You should shoot for 25mg per day. If you become deficient in iron, this reduces your blood’s ability to carry oxygen.
Essential Fatty Acids: Most prenatal vitamins do not contain enough (if any) fatty acids. DHA (an omega-3) is necessary for the development of your baby’s brain, nerve, and eye tissue. 300mg per day is sufficient, which can be found in about 5 – 10 ounces of cold-water fish. However, some fish can contain high levels of mercury, so an omega-3 supplement is a great alternative. Some omega-3 supplements do not have DHA, so check the back of the bottle.
Keep in mind that calcium interferes with the absorption of Iron. So if you do take a calcium supplement, do not take it with your prenatal vitamin.
In my opinion, prenatal vitamins are a good alternative for a pregnant woman. Many women work right up until they deliver and / or their life-style is much busier as opposed to those from years past. This makes it difficult to get what they need from their diet. However, if you are able to get these vitamins from your diet, that is great and a prenatal vitamin is not necessary.
Check out: http://www.babycenter.com/
In response to your salty taste: your body’s ability to smell and taste are intertwined. So, something that you think is a taste, could actually be something you smell.
Dehydration can cause this, so evaluate how much water you drink each day and if you drink caffeine, scale that back since it is a diuretic. This is the most likely reason.
If you are congested and have post nasal drip, this can create a salt taste in your mouth. Also, your tears drain into your nasal cavity, then travel down the back of your throat. Not likely the cause, but an over production of tears can cause this.
Thu, 29 Jul 2010 21:53:11 -0400 -
Posted in tonedeff cd
Posted July 25, 2010, at 16:51 in: ringtones
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