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  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Wed May 24, 2017 8:38 pm   Subject: Jolt & friends - Team Overkill - NSW
A gas solenoid and some plumbing will run less than $100 - about the cost of a D size refill, so there is a really short pay back time to making a gas controller, slaved off the main solenoid in the w ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Wed May 24, 2017 10:18 am   Subject: Jolt & friends - Team Overkill - NSW
When possible, I have two shielding strategies: for larger parts that join at 90 deg, I use one or two aluminium blocks as in this mock-up.

http://www.nswrfc.org/Nick/P5241248.JPG

They work real ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Tue May 23, 2017 4:09 pm   Subject: Jolt & friends - Team Overkill - NSW
I never thought about using the bulkhead as an end cap - great weight saving idea! I was thinking of giving a prize to the first person to notice the valve was reversed, guess I will have to promise y ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Tue May 23, 2017 1:03 pm   Subject: Jolt & friends - Team Overkill - NSW
All day welding:

The replacement E size argon tank arrives and just as well - with three gas lines going the combined flow rate is 40 litres a minute Shocked anything lower and its oxide city. This ...
  Topic: Dual Citizen - Slightly Evil Robotics - SA
Nick

Replies: 17
Views: 549

PostForum: Builders Reports   Posted: Mon May 22, 2017 9:07 pm   Subject: Dual Citizen - Slightly Evil Robotics - SA
Sparks will fly!
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Mon May 22, 2017 6:28 pm   Subject: Jolt & friends - Team Overkill - NSW
Progress:

Bot building was hit n' miss over the weekend. I got a new argon tank from Bunnings, only to find that the fancy dual regulator had a leak on the high pressure side (which helps explain t ...
  Topic: Dual Citizen - Slightly Evil Robotics - SA
Nick

Replies: 17
Views: 549

PostForum: Builders Reports   Posted: Mon May 22, 2017 6:04 pm   Subject: Dual Citizen - Slightly Evil Robotics - SA
That's a good looking robot horde! Sawnado is itching for some saw on saw action Smile
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Sat May 20, 2017 10:19 pm   Subject: Jolt & friends - Team Overkill - NSW
Ha Ha, I am totally doing it! I saw this a while back and then lost the link, so thanks for that.
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Sat May 20, 2017 8:32 pm   Subject: Jolt & friends - Team Overkill - NSW
Out of gas (again!):

Mr T's frame is almost ready for welding and I cut up some scrap for practising, then found the TIG welder's gas hose was missing. A quick trip to Bunnings fixed that, then I f ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Sat May 20, 2017 9:37 am   Subject: Jolt & friends - Team Overkill - NSW
Welding 3mm titanium is about the same difficulty as thicker stuff after a little practise. Mr Mangle's welds are mostly 4mm to 8mm so I had to be careful not to overheat the thinner side, I didn't th ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Fri May 19, 2017 5:25 pm   Subject: Jolt & friends - Team Overkill - NSW
A shiny thing, on another shiny thing:

Most of the parts are fitted together and through the magic of CNC, everything lines up Smile

http://www.nswrfc.org/Nick/P5191233.JPG

http://www.nswrfc.org ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Thu May 18, 2017 6:38 pm   Subject: Jolt & friends - Team Overkill - NSW
Welding time:

The waterjetted parts are back and looking good! The holes are a little undersized and need enlarging with the Dremel but for the price, its great work:

http://www.nswrfc.org/Nick/ ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Thu May 18, 2017 5:41 pm   Subject: Jolt & friends - Team Overkill - NSW
Its the most expensive saw blade I have ever bought, so all the Sportman bots have to use Kraft cheese slices for armour so the blade doesn't get damaged Laughing
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Tue May 16, 2017 5:41 pm   Subject: Jolt & friends - Team Overkill - NSW
Sawnado:

I picked up a 250 mm cold saw blade today - with 160 HSS teeth it should last longer than a TCT blade and can be resharpened with a Dremel. I'm not sure how much damage its going to do tho ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8426
Views: 1035862

PostForum: Builders Reports   Posted: Sun May 14, 2017 12:24 pm   Subject: Jolt & friends - Team Overkill - NSW
Welding day:

Not much robot construction going on but plenty of MIG welding on a rolling base for the table saw:

http://www.nswrfc.org/Nick/P5141227.JPG

http://www.nswrfc.org/Nick/P5141225.JP ...
 
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