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| Assembly
versus Casting |
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The initial design of the drive wheel was
an 84-piece steel assembly that consisted of fabricated and machined parts
that were welded and bolted together.
- That approach required additional
assembly time and increased material part cost and reduced the
durability and reliability of the wheel because of variations in
parts, assembly, and welding effects.
Toro engineers worked with Smith Foundry
engineers and machine shop personnel to design a one piece metal casting
which was less expensive and also stronger and more durable than the
original assembly.
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