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What is a Foundation Bolt?
This type of bolt is more than other bolts, it is also bigger in size. This bolt keeps the frame of the machine fixed in the ground. Due to which the various forces acting on the machine are transferred to the ground by the bolt. Due to which there is no damage to the machine.
Types of Foundation Bolts
It is mainly of two types-
1.Fixed Type Foundation Bolt
This type of foundation bolt cannot be reused after use. Because it does not come out, it is stuck in the same place. Which are as follows-
(i) Rag Foundation Bolt
This bolt is used to bind heavy machines to a stone or concrete foundation. The shape of this bolt is rectangular, and it tapers in length, with grooves on it, the edges of which are made inward.
(ii) Bend Foundation Bolt
The bottom part of this type of bolt is curved, this crooked part is made by forging action. And only through the tread of this bolt, its grip becomes strong.
(iii) loop or eye bolt
The lower part of this type of bolt is bent and made like an eye, hence it is called eye or loop bolt. A steel rod is placed vertically in this eye part. That’s why this bolt can’t get out. And this bolt is made by forging mild steel.
(iv)Plain Foundation Bolt
In this type of bolt simple foundation bolt is used with mild steel plate.
2.Removable Type Foundation Bolt
These type of bolts can be removed without any breakage when not required. These are as follows-
(i) Couture Foundation Bolt
This bolt is used whenever a large machine is to be found. And on the underside of this type of bolt a removable cotter is attached with a square plate. And when foundation, a pocket is left in the side of the cotter to open this bolt.
(ii) Lewis Foundation Bolt
This type of foundation bolt has a taper on one side, and a ‘key’ on the other side, and removing this ‘key’ if needed allows the bolt to be removed easily. This bolt is used to hang large stones.
(iii) Roll Foundation Bolt
These types of bolts are fitted with four flexible clamps. And when the nut is tightened, it expands by the action of the clasp wedge. This type of bolt can also be opened and used as per the requirement.
(iv) Expanding Conical Washer Foundation Bolt
These type of bolts have conical bangles, ferrules and washers. and in this the washers spread flat when the bolt is taken out, and hole take hold of the inside.
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