NUMI Horn-1 Module Modification - Fermilab...20 V. Sidorov /NUMI Horn-1 module modification...

NUMI Horn-1 Module Modification

Vladimir Sidorov21 August 2020

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NUMI Horn-1 Module drive mechanisms

Upper drivemechanism

Main shaft

Transverseshaft

Lower drivemechanismModule

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Upper drive mechanism condition

Transverseshaft

Main shaft

Link

Lifter drive shaft

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Upper drive mechanism

Motor

Slidingblock

Mainshaft

Gear box

Verticalshaft

Transverseshaft

Link

Baseplate

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Lower drive mechanismBase plate

Slidingblock

Guiderod

Linearbearing

Link GraphalloybushingAlignment

pin

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Lower and Upper drives exchange scenario

Horn-1 exchange procedure is followed

Target Chase

Target

Horn-1Chase

T-block

Horn with module

WorkCell

Move T-blocks from chase to T-blocks storage and Horn-1 module to Work Cell

Horn-1

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Horn-1 is disconnected from module

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Horn-1 is moved to the morgue

Horn-1

Detail steps of the drive mechanisms exchange procedure will be presented by Keith Anderson after my presentation

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Horn - module assembly in MI-8Horn1 module drive mechanisms pre-assembly and Remote Handling Training

Module mock-up

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Frame

Support block

Top plate

Bottom plate

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Lower drive mechanism

Upper drivemechanism

Transverseshaft

MainshaftModule

mock-upframe

Module mock-up frame –drive mechanisms assembly

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Horn-1 shafts installation

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The Horn-module assembly stand is installed in MI-8 for the lower drive mechanism removing and installation practice. The practice was done on Monday August 17.

Lower drive mechanismHorn-1 module Assembly stand

Module mock-up frame

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Module

Lower transfer drive Cask

Cask support aluminum frame

Upper drive mechanisms storage box

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Transverse drives shafts storage

Cask

Supportframe

Shafts

Cover

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Lower drive mechanism cask

Lower Cask

Top cover

Lower Drive Mechanisms Casks

Main cask

Small cask

Lower drivemechanism

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• Summary:• 1. All replacement parts are made from the stainless steel or anodized aluminum.• 2. More powerful motors and gear boxes is installed.• 3. Linear ball bearings are replaced with aluminum anodized bushings.• 4. The module mock-up was fabricated and used for transverse drives pre-

assembly and testing.• 6. Lower drive mechanism cask support frame was fabricated s used for practice.• 7. Drive mechanisms parts storage casks are under fabrication.• 6. The module assembly stand is installed in MI-8 and used for transverse drives

removing and installation practice.• 7. Special tools are fabricated for remote handling operations.

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