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Contact: VINSON ZHANG
Company: AAK INDUSTRY CO., LTD
Bona Business Building, No. 456 Taikang Middle Road
Ningbo 315100
China
Phone: 057483008115
Fax: 057488138441
E-Mail: Send Inquiry
Date/Time:  1/25/23 6:28 GMT
 

AAK Hydraulic Manifold Block Zero Benchmark Error

A high-precision hydraulic manifold block, has been adjusted by the original
manufacturer for many times, the benchmark error of the hydraulic manifold
block still cannot be eliminated. AAK took it over under the introduction of
old customer, optimized the original processing technology, and added the
finishing boring process before the vertical drilling sequence to re calibrate
the positioning of the V-shaped block, so that the benchmark error of the
hydraulic manifold block was controlled at 0. Tom sent the order of the
hydraulic manifold blocks of more than 20000 dollars.

Tom is from Holland. They should be the top 3 of the hydraulic companies in
Holland. Tom, introduced by his friend Mathias, sent us an inquiry for
hydraulic manifold block. After communication, we knew that Tom learned from
Mathias that AAK hydraulic technology has changed every year in recent years,
and have supplied hydraulic manifold blocks to the world's top 500 companies,
so he contacted me.

Tom told us the problems with the original hydraulic manifold block
manufacturer. Turning Φ 215mm excircle and Φ 88mm inner hole, outer circle
center as benchmark, turning Φ 205h8 uses a special fixture, which also uses
the outer circle center as the reference for turning. There should be no datum
misalignment error, but the hole position is out of tolerance. After 2 days of
discussion, AAK hydraulic engineers basically determined that it was caused by
the positioning error of V-shaped block in the machining center. Tom was
surprised by our analysis and half believed it. I told him that AAK was willing
to sample this hydraulic manifold block. If the parameters were not up to
standard, the development cost would be refunded. After 30 days, AAK sent 5
hydraulic manifold block samples.

2 months later, Tom sent us the official order for hydraulic valve block of
more than 20000 dollars. The reason why AAK can effectively solve the
positioning benchmark error is that starting from the production process, it
deliberately adds the finishing boring process before the vertical machining
sequence drilling to re calibrate the positioning of the V-shaped block.

After optimization of AAK hydraulic manifold block: vertical machining center,
turntable rotates to 90 ° fine boring φ 88H7 inner hole → drill φ 215mm on
cylindrical end face φ 25mm hole allowance → boring φ 25mm hole → rotary
table rotates to 0 ° for fine boring φ 110H7 hole → finish milling φ Upper
end face of 53mm hole → drill φ On 205mm excircle end face φ 22mm hole
allowance → boring φ 22mm hole → rotary table rotates to - 90 ° fine boring
φ 88H7 inner hole → drill φ 215mm on cylindrical end face φ 25mm hole
allowance → boring φ 25mm hole.

The optimized processing technology can reduce the influence of datum movement
error to zero, and the positional and vertical accuracy can be better
guaranteed.

AAK hydraulic manifold block, zero benchmark accuracy error, welcome to try!

https://www.aakindustry.com/info-detai , l/hydraulic-manifold-blocks-aak454
AAK Hydraulic Manifold Block Zero Benchmark Error
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