Cricket Bat Press...the design/ fabrication and testing
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Ryan

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Cricket Bat Press...the design/ fabrication and testing
« on: September 11, 2014, 07:08:00 PM »

Hi everyone, I've been making bats for a few years now and have always relied on having my clefts pressed by various people and i think this needs to change. Building my own press is something I've been toying with over the last year or so and think i need to take the plunge. Why make one rather than buy one i hear you say?? Well I'm weird and enjoy this kind of stuff, not knowing exactly how it will finish. Just the challenge compells me to succeed.

A couple of minor issues, i haven't a clue how to weld. Its not something that I've ever tried before and the other issue is the engineering side of it. What size steel will take the force of 2 or 3 ton of pressure without collapsing. i suppose that part will be trial and error and all part of the fun.

So first up the design brief;

Full steel frame, unsure on overall height and length
Capacitor start/ stop motor (not sure on the HP just yet)
Gearing mechanism to move the sled (maybe gears and chain system)
Roller (flat and concaved)
Roller mounting, does it need to be mounted on bearings?
Mechanism to increase pressure, maybe use a traditional manual screw or a more complex pneumatic with pressure gauge system

I think that's the main points. Feel free to add anything else.

Any thoughts or help would be appreciated????





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Blank Bats

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #1 on: September 11, 2014, 07:56:44 PM »

Best of luck with the project
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Bambooman

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #2 on: September 11, 2014, 08:41:19 PM »

Ryan, don't' underestimate the task. I am currently in the process of getting my own design made up (going to inspect some parts tomorrow , actually). Would be happy to discuss and share the process with you if you want to call me some time.

hell4leather cricket

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #3 on: September 11, 2014, 08:49:57 PM »

Just but one from India and modify it , believe me it's a lot easier !  And cheaper
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Six Sixes Cricket

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #4 on: September 11, 2014, 09:30:02 PM »

A couple of options on learning to weld. Go to a local fabricators and do some work for free. There is bound to be little tedious jobs that they need doing(I've done this myself)and this will help you learn how to weld. Or ask/pay for any off cuts of box section and hire a welding kit and practice yourself.

Do you have access to a press or do you buy in the pressed clefts?

Ryan

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #5 on: September 13, 2014, 05:53:29 AM »

Ryan, don't' underestimate the task. I am currently in the process of getting my own design made up (going to inspect some parts tomorrow , actually). Would be happy to discuss and share the process with you if you want to call me some time.
How did you get on, and how far along are you in the process??
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Ryan

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #6 on: September 13, 2014, 05:54:48 AM »

Just but one from India and modify it , believe me it's a lot easier !  And cheaper
Any idea on rough cost Matt and any contacts?? I'd love to see your press if you don't mind.
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Number4

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Bambooman

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #8 on: September 13, 2014, 09:24:24 AM »

How did you get on, and how far along are you in the process??

Ryan
I am currently having the components fabricated as we speak. I saw the completed tube framework yesterday which was very exciting and we went through the drawings for the other components. I am lucky in that I was able to fully design and model the whole press in 3D CAD, having been an engineer for almost 25 years. This is also the reason I have been able to save considerable money on the project (I have a budget of around £800-900). I was also luck enough to be able to base the design on an old lathe pulled out of a hedge that was originally used to make wooden barrels. Previous attempts were based around old mangles but didn't really work very well.
If you look up 'bat press machine' you will find an Indian company producing presses to order for about $2500 but I doubt this includes shipping or import charges (if any, H4L may be helpful with info on that)
http://www.alibaba.com/product-detail/Cricket-Bat-Press-Machine_151150221.html



Like I mentioned , If I can be of any help to you please contact me.

regards

James

Ryan

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #9 on: September 17, 2014, 03:38:21 PM »

Thanks James, i'd be intrested to see how it comes out.

I was thinking of speaking to the guys that make these kind of rollers.



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FattusCattus

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #10 on: September 17, 2014, 03:46:40 PM »

Are they out of your Heelys?
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Ryan

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #11 on: September 17, 2014, 04:08:41 PM »

Are they out of your Heelys?

i'm not young enough or cool enough to own a pair fattus, have you got a pair i can borrow??
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Bambooman

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #12 on: September 17, 2014, 04:18:22 PM »

Thanks James, i'd be intrested to see how it comes out.

I was thinking of speaking to the guys that make these kind of rollers.




An integral bearing is one way to go certainly. My design has the bearing housing mounted of the frame (off the shelf components) and the roller shaft fitting onto them. I will try and get a picture from the 3D model.

Ryan

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #13 on: September 17, 2014, 04:34:08 PM »

its probably easier and cheaper to get a roller machined and then fixed to an external bearing block. something like this??

http://www.astbearings.com/two-bolt-pillow-blocks.html

mounted upside down on a metal beam for support.
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Bambooman

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Re: Cricket Bat Press...the design/ fabrication and testing
« Reply #14 on: September 17, 2014, 04:44:34 PM »

An integral bearing is one way to go certainly. My design has the bearing housing mounted of the frame (off the shelf components) and the roller shaft fitting onto them. I will try and get a picture from the 3D model.


Here an image of the 3D model


It shows a flat roller but I have a few profiles. The green bits are off the self 'tapped base pillow block units" that take a 30mm diameter shaft from the roller (no bearings in the roller itself)
Having the bearings integral to the roller may over-complicate the design. However, I'm not seeing the it within the context of your design so it may be fine.
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