We don't have cad models of the HIWIN blocks, but you can find the models on McMaster.com. They have can drawings and models for most of these types of parts.

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DO YOU HAVE CAD AVAILABLE FOR THE HIWIN GUIDE BLOCKS SELL AND RAIL?

We don't have cad models of the HIWIN blocks, but you can find the models on McMaster.com. They have can drawings and models for most of these types of parts.

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DO YOU HAVE CAD AVAILABLE FOR THE HIWIN GUIDE BLOCKS SELL AND RAIL?

Yes, we sell rails with HIWIN specification. Our HIWIn spec rails are interchangeable with HIWIN brand rails.

Here is the link for our per inch product page.
https://www.buildyourcnc.com/item/mechanical-rails-HIWIN-Linear-20mm-Guide-Rail

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Do you sell the HIWIN rail sections without guide blocks?

Select the desired rail here:
https://buildyourcnc.com/Item/mechanical-rails-HIWIN-Linear

On the product page, enter the total "cut to order" length (in inches). Then call us to specify the cut lengths. Remember that our maximum length is 2000mm or 78.74 inches.

Our phone number is located at the top right of each web page by hovering over the "Need Help?".

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how do I order multiple lengths of HIWIN guide rail with blocks?

Prices on amazon are fixed costs for shipping. The website generally reports high costs for international shipments but we can give you a better quote if you care to email sales@buildyourcnc.com

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I want to order 8 HIWIN Linear Guide Blocks. Is there a cheaper shipping option? $70 is too much for something that weighs less than 5 lbs. I live in the continental US

t's actually pretty difficult to cut the HIWIN rail with a hacksaw since the rail is hardened. We use a cut off saw with an abrasive blade.

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Is it possible to cut HIWIN rail to length with a hacksaw?

We sell HIWIN rail and Linear guide rail by the inch (cut to size) as well as the blocks individually.

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I need a guide rail 15mm X 100mm yours is 2000mm or 2 meter, do we cut the rail to size? do you sell the block separetly?

Try slowing your feedrate down and increasing spindle RPMs. End-mills will leave a poor finish if you go too fast. Make sure your cutting depth isn't too much. Maybe the endmill or cutter is blunt? Could it be the feed direction of the cutter? Some materials need to be fed in a certain direction.

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MOTOR GOING TWO DIRECTION WHEN JUST PUSH UP. IT WILL GO DOWN AND THEN GOES AGAIN UP WITH THE SAME BUTTON.

There are a number of opportunistic gadgets on the market to allegedly protect the user from hazards of cellular phones. You can search the Internet to find the latest, ranging from antenna shields to whole-body shielding materials. Most experts believe that these devices take advantage of customers' misunderstanding and unfounded fears to sell products with no real value. First of all, cell phones that operate within the guidelines established by national and international safety panels have never been shown to pose a health risk to the user (see answers to other questions on cell phone safety on this website). Secondly, placing any kind of shield over the antenna of a cell phone will in most cases cause it to increase its RF output as it attempts to compensate for signal loss in the shield and maintain a quality phone call. The U.S. Food and Drug Administration published an advisory on cell phones several years ago that said if you are concerned about risks of using a cell phone, then simply use it less. That is still good advice today. Gary Zeman, ScD, CHP Lawrence Berkeley National Laboratory

Additional Information:



Additional Information:

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ARE THERE PRODUCTS AVAILABLE TO THE GENERAL PUBLIC THAT CAN BE PURCHASED PROTECT CELLULAR OR PORTABLE TELEPHONE USERS FROM RADIATION? IF SO, WHERE THESE FOUND?

The HIWIN rail we stock are part number HGR20 series. 20mm guide length.

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What are the Part numbers / specs for the HIWIN Rails? HG series? RG Series?

It is out of stock at this time (12/14/2018). We are awaiting shipment.

Additional Information:
The rail is now back in stock.

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HIWIN Rail out of stock

Lettuce, or any vegetable. Also drink a cup of water before meals, it'll make you feel fuller.

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WHAT ARE THE BEST FOODS THAT WILL HELP YOU LOSE WEIGHT?

no, it will only work on anodized aluminum

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WILL THE LASER ENGRAVER WORK ON NON-ANODIZED ALUMINUM

I can't think of any reason that it would be dangerous. However, I checked with the Cellular Telecommunications Industry Association. The Chairman of the Association sent the following memo on 18 June 1999, to the Associations' Board of Directors and others:
"You may have received inquiries about wireless phones causing fires or explosions at gas stations. In particular, you may have been asked about an alleged explosion at a gas station in Indonesia. We have been unable to verify any such occurrence in Indonesia or anywhere else. Moreover, in our discussions with Shell Oil they have stated they have attempted to verify these reports and also have not been able to document any such occurrence."
Nonetheless, in an abundance of caution, some manufacturers have included language in the owner's manuals for their products that recommends wireless phone users turn off their phones while at refueling points (gas stations). In addition, we have received information that Exxon will begin issuing warning signs at all domestic gas stations advising drivers to turn off all wireless communications devices when entering Exxon gas stations.

While wireless phone owners should always consult their owner's manual for information on the use of the phone, we are not aware of any incident that would justify these concerns."

Gen Roessler, Editor
HPS website

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WILL CELL PHONES SPARK A FIRE AT THE GAS STATION?

Sure, the USB interface has a place for 4 axes of limit switches.

Each axis can have two limit switches: one for the ++ (positive) end and one for the -- (negative) end. The positive end would be the limit switch at the end of the machine that, say the machine has a 4'x8' area, reaches a bit after the 8 foot mark. The negative end would be the limit switch behind the 0 foot location behind the origin. If the origin is in the middle, the negative would be at a little more than the -4 foot end and the positive would be at a bit more than the +4 foot end. Note that you can have more than one switch on each pin where the NC is connected in serial fashion and the NO is connected in parallel fashion (this can be seen on the diagram in the multiple limits switch section). The software configurations for the limits switches are under File -> Settings -> Limit.

A typical limit switch has three connections on it. These connections consist of COM (common), NC (normally closed) and NO (normally open). The COM would generally go to GND and the NC or the NO would go to the pin. If the NC is used, then the the switch is constantly connected until the switch is pushed (engaged) then the connection from the pin to gnd is broken (open). Use the settings in software to set whether in NC or NO configuration.

Let me know if this information was helpful (or not) by adding information to this question. Thanks.

User response:
Thank you very much for this helpful information. I'm still a little fuzzy on how the 6 limit switches physically connect to each other and to the USB breakout board. You've stated one switch (home) goes to positive and another switch (limit) goes to negative. Are all the GND prongs from all 6 switches connected to each other and going to GND on the breakout board, or no? And the NC prongs, how exactly are they connected to each other? And to the board? There has to be a diagram somewhere shows this visually, no? I don't know how to wire the switches in series or in parallel. I have already physically installed all the switches on the machine and ran the wires to where the board is. Now I just need to know where to plug these wires into the board. Also, taking into consideration that I'm using the Planet CNC software, the only settings I have pertaining to limit switches is "Enable/Disable" for each axis, and the actual limit for each axis. Nothing about NC or NO. Is that only in Mach3?
Thank you.

buildyourcnc response:
On the USB interface, the COM on the switch connects to GND and the NC or NO connects to the input pin (i.e. x++, y--, etc.)

Limit switch configuration is rather difficult to understand, especially with series and parallel. You can think of series as a single wire going from GND to the axis letter input terminal (i.e. X++ or X--). If the wire is broken, then the circuit is open (or the switch is engaged in a normally closed scenario). Normally closed is like an actual wire, and when engaged, the switch "opens" (breaks the wire). This is why we recommend in some systems that you can put many switches in series on a single pin. When one of the switches is engaged (breaking the connection) then the entire circuit of switches is broken and the machine stops.

In a parallel scenario, the state of the circuit is always broken until the one of the switches is engaged and the circuit is then closed or connected. The topology looks like a ladder. All the switches connect to both sides of the ladder and the switches are like the runs of the ladder (the horizontal bars that the feet are placed while climbing). Imagine all of the switches broken in this scenario (normally open). It would be like the ladder could be split in two, but if one of the ladder runs (switches) is closed by engaging it, then that run would connect both sides of the ladder and the two sides of the ladder would have a connection.

There is a diagram on the USB page of the various limit switch configurations. If you need more information (visual and/or otherwise), please let us know and we will immediately add that information to benefit everyone.

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WILL THE USB BREAKOUT BOARD WORK WITH MACH3?

It usually takes about three years before you get a viable crop from young grapevines. We planted grapevines at a house we built in California and the first crop that actually had enough grapes that we could actually pick and eat them was three years later. We ate them as we left town on our way to the East coast and our new home. They were growing strong when we passed by the old house some 10 years later.

A few varieties of grapes produce in two years, such as Brianna and Seyval grapes.

The good news is that grape vines usually live between 50 to 70 years, depending on the variety.

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WHEN WILL MY GRAPES GROW?

The HIWIN rails come with the same flange blocks that are sold individually.

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About your HIWIN rails. What Carriage block does the 78" rails come with, 2 flange or 2 with no flange?

We sell our lead screws at length but the longest single length is 78" for our 1/2" and our 3/8" is 72" long, now for our linear guide rails the longest rail we have (new item) is 55" at the moment we will be getting longer rails in the near future.

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Sell you liner guideways and screwballs to 2000 mm. (78 inches) length?

Whenever they are turned on, cell phones communicate at infrequent intervals with a nearby base station even when they are not being used for a call. This is necessary to tell the system where the user is in case a call should come in. Thus, even while they are inactive, the phones are a source of (very low) radiofrequency energy exposure to the user. Hands-free kits reduce exposure to a user by removing the phone from the vicinity of the head. There is no identifiable health benefit in using the kits, but there is no detriment either, and using them may increase a user's peace of mind. Contrary to a widely publicized report by a British magazine last year, the kits are effective in reducing exposure. (This is not necessarily true of other devices that can be bought to be used with phones.) In your case, the cell phone and hands-free kit are clearly an important link to the outside world and I would not hesitate in using them. There may be comfort issues with having the earpiece in place for a long time, but radiofrequency radiation exposure should not be a concern at all. The hands-free kits will reduce exposure below that which you would receive if the phone were kept close to your head. Kenneth R. Foster Professor, Department of Bioengineering

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DOES THE RADIATION ONLY EXIST WHEN I'M ACTUALLY MAKING A CALL, OR JUST ANY TIME PHONE ON?