Tired of Machining

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Eric1
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Tired of Machining

Post by Eric1 » Mon Oct 16, 2017 8:39 am

Man this crap gets old. I had to buy a new tool to cut this material. I could have used what I had but it would have cost around $1k in inserts.
This tool, holder and inserts is $1,270.00. Next batch of parts will cost me only $221. for the inserts. This a five inch diameter cutter.

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The job, I have to cut 1.5" 316L SS material (1.56" actual) down to 1.262" for the next operation.
The surface is a hot rolled finish. That means abrasive and hard. It notches the carbide as I cut it.

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This is the finish and what the chips look like. Razor blades to your skin.

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Besides my health issue and Dad being in the hospital, this is why I can't touch the boat right now.



Jaysen
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Re: Tired of Machining

Post by Jaysen » Mon Oct 16, 2017 8:44 am

Jeesh! You can't seem to get a break. Although having too much "paying work" can't be all bad.

Do you separate the steel grades for recycle or does it all go into one bin? Just curious.

Eric1
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Re: Tired of Machining

Post by Eric1 » Mon Oct 16, 2017 8:49 am

Jaysen wrote:
Mon Oct 16, 2017 8:44 am
Jeesh! You can't seem to get a break. Although having too much "paying work" can't be all bad.

Do you separate the steel grades for recycle or does it all go into one bin? Just curious.
Life is pretty tough it seems. Yes my Friend we separate the material for recycling. On this stuff I pay around $2.20 a pound I'm lucky to get $.50 a pound for my chips.

Browndog
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Re: Tired of Machining

Post by Browndog » Tue Oct 17, 2017 7:32 am

Eric,

We are tired of you machining too. It means we miss out on the meticulous boat craftsmanship that we’ve come to expect and you always deliver. :(

Glad to hear things are busy and that it means making some investments in your business. You have definitely been juggling a bunch of commitments lately.

I think of the boat building more as a reward than a chore. I try to do something on the boat everyday, even if it is just ordering materials or doing a design or layout, or just thinking about how something ought to be done, so I can still get my reward and feel like progress is still being made.

Best wishes to you. You have my support and I’m confident the support of the forum. No doubt we will all be enjoying your boat building updates again soon. Always interesting, even if they include my least favorite job: Sanding. :D

Jaysen
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Re: Tired of Machining

Post by Jaysen » Tue Oct 17, 2017 7:38 am

Browndog wrote:
Tue Oct 17, 2017 7:32 am
Best wishes to you. You have my support and I’m confident the support of the forum. No doubt we will all be enjoying your boat building updates again soon. Always interesting, even if they include my least favorite job: Sanding. :D
I swear he LIKES sanding. There's no other way to explain it.

TomW1
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Re: Tired of Machining

Post by TomW1 » Tue Oct 17, 2017 1:18 pm

Eric best of wishes for your dad and family. I will keep him in my prayers when I say one for my dad who is also in the hospital. Please take care of yourself also.

Tom
Restored Mirror Dinghy, Bought OD18 built by CL, Westlawn School of Yacht Design courses.

Eric1
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Re: Tired of Machining

Post by Eric1 » Wed Oct 18, 2017 10:19 am

TomW1 wrote:
Tue Oct 17, 2017 1:18 pm
Eric best of wishes for your dad and family. I will keep him in my prayers when I say one for my dad who is also in the hospital. Please take care of yourself also.

Tom
Tom, Thank you. Know I'm praying for y'all as well.

Eric1
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Re: Tired of Machining

Post by Eric1 » Wed Oct 18, 2017 10:28 am

This is the second operation in the 316 SS part I'm making.
This is a 2.312 indexable drill I'm running. The hole finishes at 2.4803".

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Next is a high speed roughing cutter. I can run this at 124 inches per minute is Stainless.

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The result. Look at profile and the hole.

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Finishing with a 3/4" solid carbide endmill.

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More to come...

Jeff
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Re: Tired of Machining

Post by Jeff » Wed Oct 18, 2017 10:29 am

Nice Machines Eric!! Jeff

Eric1
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Re: Tired of Machining

Post by Eric1 » Wed Oct 18, 2017 10:39 am

Next is a carbide tipped drill. I'm running 1000 psi through tool coolant.

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The holes it produced.

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Next is a spotdrill/chamfer tool.

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This deburrs the part and cuts the chamfer for the tap.

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This is a m12 x 1.75 form tap. It does not cut threads. It displaces the metal to form the thread profile.
The benefit is no chips to deal with and a very strong thread.

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The threads are finished and that is the end of this operation.

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I'll post the final op when I get to it. I'm going to go run these.

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