29/08/2020 - Riveting of Frames

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Our original design aim was to use fitted bolts when assembling the frames - the reasoning is explained in the design section of the web site. Once the frame to cast steel stretcher bolts were fitted, it became obvious that the some of the bolts were preventing the frame keep bolts from being fitted. In the image, the frames are upside down and the frame keep is at the top, itself upside down and fitted as a temporary stay. The 4 bolts each side of the hornguides marked "R" are the bolts that need to be replaced by rivets. On Saturday 29 August, Varley Boilers were on site to fit the rivets.

2 videos are available

https://vimeo.com/452985980 is a video of the outside of the frames

https://vimeo.com/452986679 is a video of the outside of the frames

	The frames have been set up in the Assembly shop close to the front door. John and Andy from Varley Boilers are setting up. In the background are 4 anchors being built by CTL Seal. The rivet guns can be seen on the trestle near the front of the frames
	A set of rivets ready for installation. These will be cut to length once the correct length for the fitment has been established. Most rivets are 1-1/8" diameter and some are 1-1/4". They are a special materail to match the material in the cast steel stretchers. John says that the large rivets weren't easy to install!
	John jnr heats up the riveting area. For an August Bank Holiday weekend, it was cool outside so the heat was welcome.
	Time to heat up the rivets. John says that they are looking for a yellow colour to indicate the right temperature.
	3 other rivets are also getting some of the heat
	John transfers the rivet to the frames with a set of pincers
	Hammering against the frames to remove any scale
	The rivet is passed to Andy who is on the inside of the frames
	Andy carefully inserts the rivet into its hole
	Andy drives the rivet into place and signals to John when he is ready

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