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Type: Posts; User: Splint

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  1. Re: Any CAM Software for Howire 2 Axis & Turntable?

    Hi Comcli. Is this software still around anywhere? I can't find a web page where it can be downloaded. Do you know of any other CAM software for an application like this?
  2. Re: Taiwan Parfaite ISO20/ER16 tool holders Vs cheaper ebay holders

    Hi Stefan,

    The only observation I've made is that the more expensive holders are typically balanced to a higher standard which should reduce the likelihood of poor surface finish where all other...
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    Re: Ballscrew brand recommendation?

    Actually in the 15 and 20 mm shaft the backlash is 15 microns which seems odd when you think about how a smaller component would most likely be more difficult to hold tolerance during manufacturing.
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    Re: Ballscrew brand recommendation?

    Edit, I found this table which puts the backlash at less than 0.015 mm which is at the high end of the C5 screws but equal to or better than any of the rolled ballscrews.I'm not sure why there's...
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    Re: Ballscrew brand recommendation?

    Yeah, that much backlash pretty much make the C5 rating irrelevant. Strange that you're paying much more in the states for the same ballscrew, it's usually the other way around with the Aussies...
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    Re: Ballscrew brand recommendation?

    I spotted these on the Misumi site.

    409292

    For a C5 accuracy ballscrew that looks like very good value. My only concern is that it's not preloaded and I'm not sure what to make of that, it it...
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    Re: Ballscrew brand recommendation?

    Thanks for the tip Ihavenofish. I did contact TBI through their website and asked if they are affiliated with the Amazons seller TBI Motion, no response as yet. As a point of interest, I noticed a...
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    Re: Ballscrew brand recommendation?

    Ground ballscrews are definitely beyond what I'm prepared to pay. I've been looking at some of the TBI Motion ballscrews on Amazon and they look to be reasonably priced. TBI also has a website and...
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    Ballscrew brand recommendation?

    Hi,

    I'm looking at buying some ballscrews which may be 16-20 mm diameter and 5-10 mm pitch for a router I'm designing. I don't wan't to spend any more than I need to but at the same time I don't...
  10. Taiwan Parfaite ISO20/ER16 tool holders Vs cheaper ebay holders

    Hi,

    I'm looking into buying a Jianken ATC spindle and they offer Taiwan Parfaite ISO20/ER16 tool holders as an option. Being Taiwanese I have confidence in the quality of the holders. The issue is...
  11. Re: 24,000, 30,000 or 40,000 RPM - Jianken Spindle

    Thanks Craig, great response.
  12. 24,000, 30,000 or 40,000 RPM - Jianken Spindle

    Hi,

    I'm looking to upgrade my spindle to a Jianken JGL series. They have three models in that range, 1.5kW, 2.2kW and 2.5kW which are rated to 24,000, 30,000 and 40,000 RPM respectively. I'll be...
  13. Thread: Multi Axes

    by Splint
    Replies
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    Re: Multi Axes

    Is there any information on the drive mechanism which gives zero backlash? Is it spring loaded split gears which are zero backlash up to a certain force?
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    Re: Cutting a worm gear using a tap

    No problem with thickness, the round shaft I'll be machining the gear from is 100 mm by 100 mm. When the gear is finished it will be bolted to an aluminium hub which will clamp to a round shaft so...
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    Cutting a worm gear using a tap

    Hi,

    I need to make a 130:1 reduction worm drive and I intend cutting the gear on a lathe with a tap. This is the first time I've attempted anything like this so I was hoping someone could look...
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    Re: Anyone here race go karts?

    Thanks Vmax, yeah I was hoping I could overcome that with creative design, I suspect I will not be able to duplicate the behavioral properties of a tubular frame though. It's not that critical that...
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    Anyone here race go karts?

    Hi All,

    I'm a mechanical engineering student and I have to conduct a survey as part of an assignment I'm doing. The assignment is on an alternative to the traditional tubular metal chassis which...
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    Kwikdraw power drawbars any good?

    I spotted a Kwikdraw power drawbar on ebay and having no prior experience with this type of drawbar I though it might be a good idea to ask here if anyone can recommend this brand. I have some doubts...
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    Only the video in post #18.

    Only the video in post #18.
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    Hi Greg, I'm in Geelong and have an FM3VK, I...

    Hi Greg,

    I'm in Geelong and have an FM3VK, I often think I should retrofit it but never seem to commit to doing it. My dad uses it quiet a lot and he's computer illiterate so the best option for...
  21. Thanks for the reply Al, that actuator looks...

    Thanks for the reply Al, that actuator looks good. We really only need a simple means of positioning in the extended or retracted position, so nothing too fancy is require. We may even go in the...
  22. Seeking linear actuator (demanding work environment)

    Hi guys,

    The boss has sent me looking for a linear actuator. What I have found so far does not meet the requirement for the environment it will be working in.

    What I need is an actuator which...
  23. Poll: Getting slightly off topic, I wonder how many...

    Getting slightly off topic, I wonder how many people think you'll find lots of engineers working in and engineering shop.
  24. Thread: Pattern Making

    by Splint
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    446

    Hi KB, I have the Lindsay book about pattern...

    Hi KB,

    I have the Lindsay book about pattern making and in all honesty it isn't very educational. I would suggest you try the varuious casting forums, do some reading and ask questions.

    Here's...
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    Excellent work gentlemen, I'm looking forward to...

    Excellent work gentlemen, I'm looking forward to updates.
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