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  1. P

    Way lube amount used

    On our Machining center (600mmx700mm Travel with linear rails) we use a lot of way lube. When we were first getting it going we had problems getting the machine going and I had a tech in. Instead of dealing with the getting the controller booted up properly he spent a bunch of time screwing...
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    Vacuum hold down for construction grade plywood

    I currently am quoting a job where I will need to cut up close to 400 sheets of 3/4 construction sheathing grade plywood. Well over 100 different shapes Some big parts but some as small as 60 square inches. Last time we did a very similar job we screwed down the corners. Then we cut half way...
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    Machining end of long hard bar

    I have a job coming up we have been forging for years but the customer has made a major change to the end that we Forge. Typically we are making 10 or 20 of these every few months however the volume has gone down over the last few years and due to upcoming process changes in a few years they...
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    Fairly long keyway in bore

    I am currently currently cutting a replacement fan out of a 4" block of 6061. One of the last things I need to do is put a1/4" keyway in the 15/16 bore. The bore is about 3 inches long. I have been debating on whether to buy a broach and bushing or take it to an occasional customer who has a...
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    Gorilla jaws anyone tried them?

    I have a set of talon grip jaws that are probably used 3/4 of the time I use a vise in the mill but I am getting sick of having to drill out the tiny machine screws used for them as they seem to tighten themselves in use. As well they are fiddly to adjust and are expensive enough (especially...
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    Machine will run programs and MDI won't jog

    Siemens 840D. I can run programs and move all axis with MDI but when I try moving with jog I get an error. "20056 Channnel 1% Axis %2 no Revolutional Feedrate possible Axis/spindle %3 stationary". When I look up the error in the diagnostics it says the remedy is "traverse the Spindle/axis...
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    DNC upload while machine is cutting

    We bought a early 2000s mill about a year ago with a Siemens 840D controller and had some problems getting it up and running. One of the repair guys who came in removed the network card and the guys who managed to get the machine running couldn't get it re installed. So they set us up loading...
  8. P

    pitbull clamps and getting tight to the table

    I built a fixture last week for machining matchplates. The outside length for the 2 sizes I make the most are the same. Because I typically have to machine the entire top I built pockets in the ends to accept pitbull clamps. I asked my local tooling supplier for pricing on the knife edge...
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    Inaccessible features

    A customer who is also a supplier has asked us to quote some parts that have features I am not sure how or even if they can be machined. I cannot post pictures of the part so I modeled a much simplified model to show the feature I wonder if can be machined. The part is mostly a 1/8" wall...
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    Spindle nose in a coolant lake

    I have a job coming up that I am going to have to cut a 6" deep depression in a part sort of like a bathroom sink shape but bigger and with no drain in the bottom. To avoid crazy long endmills or toolholders I was planning on having the spindle nose go down into the part. I often do this with...
  11. P

    Workholding small thin profile cut parts

    I just had to profile cut some small parts out of 1/8" mild steel cold rolled flat bar to retain changeable lettering for a pattern. They were simple parts just a rectangle .96" wide by 1.4" long with a 1/4" radius on 2 of the corners. We only needed 8pc. and it is quite likely we will never...
  12. P

    Heat shrink holder temperature

    How hot do heat shrink toolholders have to be heated for tool changing? I just ordered a couple of holders for roughing in aluminum. I have a small induction heater for forging that I can use for heating the holders but I don't want to overheat them. I roughed out an aluminum matchplate last...
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    MDA G54 caused crash. Issues setting Siemens WCS

    We finally go our Huron mill with a Siemens 840D controller cutting metal this week. We started out cutting some 2 1/2d parts tooling for use here. All one off parts so lots of resetting the WCS which we figured would be good practice for getting used to this controller. We have had a few...
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    Profile cutting 1" aluminum with a 1/4" endmill.

    I recently quoted a profile cutting job cutting a 1/2" 4x8 sheet of aluminum into around 120 letters and numbers. I had planned on doing this on my CNC router that has a Fogbuster MQL system set up on it using a 1/4" streaker endmill. The router is all ballscrews and I have used it to cut...
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    Siemens problem setting z wcs.

    We finally have our mill with a Siemens controller almost ready to go but we are having a problem setting the WCS. It`s an older 840D we are setting the x and y no problem but when we use scratch and enter 0 and input in z. The location is showing it as being at Z-.394 right after we...
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    Bad hard drive In Siemens controller

    A few months ago I bought a used VMC for what seemed a really good deal at the time. I bought it from an auctioneer, they had an auction that several machines did not sell and the shop had to be cleared out. I offered a really low price and was surprised when they took the offer. Its a 2005...
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    Siemens post for HSMWorks and how to make sure it will work for new mill (Huron)

    I just bought a new to me machining center with a Siemens 840D control. Its a 2005 Huron VMC. I see there is a generic post for that control on the Autodesk website and hopefully that will just work out of the box. However when I bought my last new machine I got a post from the manufacturer of...
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    Siemens 840D control for HSM toolpaths

    Looking at a used machine with a early 2000s Siemens 840D. How is that control going to be for 3d HSM toolpaths? I would be cutting all 3D work in mostly aluminum so fairly fast feeds. Anything else I should know about this control?
  19. P

    Fagor Hour meter

    Is there tracking of program times and or total running hours recorded on a Fagor Controller? Specifically an 8037. The trainer when we took delivery said no. But I am hoping he was wrong. There is a time when a job finishes but if we forget to take note and load another job the time...
  20. P

    Thread mill 1/2" 20 with a 1/4 20 theread mill?

    I am doing some thread milling using my cnc router because it does not have the torque to drive a tap and cannot reverse. I have a thread mill for 1/4 20. I should be able to use the same thread mill for 1/2" 20? Is there a reason not to?

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