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Precision Brand Products, Inc. Sof’ Shoe  Shim Can Solve Your Angular Soft Foot Alignment Problems!. Precision Brand Products, Inc. Sof’ Shoe  Shim Can Solve Your Angular Soft Foot Alignment Problems!. Ordinary/Parallel Soft Foot. Even gap between the foot and base.

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precision brand products inc sof shoe shim can solve your angular soft foot alignment problems

Precision Brand Products, Inc.Sof’ Shoe ShimCan Solve Your Angular Soft Foot Alignment Problems!

precision brand products inc sof shoe shim can solve your angular soft foot alignment problems1

Precision Brand Products, Inc.Sof’ Shoe ShimCan Solve Your Angular Soft Foot Alignment Problems!

slide4

Even gap between the foot and base.

Ordinary/Parallel Soft Foot

slide5

All four corners of the foot are on the same plane

Ordinary/Parallel Soft Foot

Even gap between the foot and base.

slide7

Angular Soft Foot

A condition that refers to uneven or irregular gaps between the foot and base.

slide8

Shim Pack

Poorly machined/ sprung foot

Angular Soft Foot

A condition that refers to uneven or irregular gaps between the foot and base.

slide9

Corroded and/or irregular base

Angular Soft Foot

A condition that refers to uneven or irregular gaps between the foot and base.

Shim Pack

Poorly machined/ sprung foot

slide10

Angular Soft Foot

A condition that refers to uneven or irregular gaps between the foot and base.

Shim Pack

Standard shim packs do not compensate for Angular Soft Foot.

slide12

Driven machine, originally in alignment, experiences shaft wobble when connected to improperly aligned motor.

Angular Soft Foot Robs Productivity, Shortens Motor Life, and Increases Maintenance Demands

slide13

Improperly aligned driver motor causes shaft wobble.

Angular Soft Foot Robs Productivity, Shortens Motor Life, and Increases Maintenance Demands

Driven machine, originally in alignment, experiences shaft wobble when connected to improperly aligned motor.

slide15

Why is Angular Soft Foot so destructive?

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide16

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide17

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide18

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide19

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide20

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide21

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide22

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide23

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide24

Motor Twist & Foot Movement

Tightening a motor foot that has Angular Soft Foot forces the foot to make contact with the base, creating unwanted stresses on the motor housing through the motor’s leg. These stresses can distort the motor housing and twist bearings, bending the shaft and causing shaft wobble.

slide26

Angular Soft Foot will cause:

  • extra strain on the bearings and seals
  • eccentricity of the motor air gap, reducing efficiency and increasing heat
  • excess strain and wear on couplings

Ultimately, the result will be premature bearing failure and shorter motor life.

slide28

How can you recognize Angular Soft Foot?

Inconsistent flat rise readings during alignment indicate Angular Soft Foot. Check the gap under each corner of the foot with feeler gage. If the measurements are not the same, the motor may have an Angular Soft Foot condition.

slide29

Have you ever “Chased Your Tail”?

Correcting for Soft Foot based on inconsistent dial or laser readings may measure the spring of a foot

slide30

Have you ever “Chased Your Tail”?

Correcting for Soft Foot based on inconsistent dial or laser readings may measure the spring of a foot and not the actual ordinary, co-planar flat rise.

slide31

Have you ever “Chased Your Tail”?

Correcting for Soft Foot based on inconsistent dial or laser readings may measure the spring of a foot and not the actual ordinary, co-planar flat rise. Standard shimming simply lifts the problem

slide32

Have you ever “Chased Your Tail”?

Correcting for Soft Foot based on inconsistent dial or laser readings may measure the spring of a foot and not the actual ordinary, co-planar flat rise. Standard shimming simply lifts the problem, leading to a continual repetition of the process often called “chasing your tail”.

slide33

What are the traditional cures for Angular Soft Foot?

Step Shim

(Labor intensive and can shake loose)

slide34

What are the traditional cures for Angular Soft Foot?

Step Shim

(Labor intensive and can shake loose)

slide35

Re-Machine

(Costly and impractical for larger motors and turbines)

What are the traditional cures for Angular Soft Foot?

Step Shim

(Labor intensive and can shake loose)

slide36

Poured Epoxy

(Significant downtime and lost production)

What are the traditional cures for Angular Soft Foot?

Step Shim

(Labor intensive and can shake loose)

Re-Machine

(Costly and impractical for larger motors and turbines)

slide37

Poured Epoxy

(Significant downtime and lost production)

What are the traditional cures for Angular Soft Foot?

Step Shim

(Labor intensive and can shake loose)

Re-Machine

(Costly and impractical for larger motors and turbines)

slide38

Now, the most cost effective and practical solution to Angular Soft Foot is Sof’ Shoe shim.

slide39

Poorly machined sprung foot

Corroded and/or irregular base

Shim Pack

Now, the most cost effective and practical solution to Angular Soft Foot is Sof’ Shoe shim.

slide40

Poorly machined sprung foot

Corroded and/or irregular base

Shim Pack

Sof’ Shoe shim fills in any uneven gaps between the foot and base

slide42

How does Sof’ Shoe shim work?

  • It’s made of a specially formulated elastomer
  • Cold flows and sets to fill any irregular gaps between foot and base
  • Creates total surface contact
  • It is an “instant” step shim
slide44

What makes Sof’ Shoe shims so effective?

  • Unique properties retain about 50% of it’s flexibility allowing it to conform to any shape
  • Takes a permanent set after ten to fourteen days under standard bolt torque compression
  • Enables instant motor startup after alignment
  • Stable to 225 degrees Fahrenheit
slide45

Sof’ Shoe shim Catalog Products

  • Two thicknesses
  • .020”=Blue & .045=Yellow
  • Four motor shim sizes
  • 2”, 3”, 4” & 5”
slide46

Two thicknesses

  • .020”=Blue & .045=Yellow
  • Four motor shim sizes
  • 2”, 3”, 4” & 5”

Sof’ Shoe shim Catalog Products

To link to the Precision Brand Sof’ Shoe shim catalog page click here.

slide47

Precision Brand Products, Inc.

2250 Curtiss Street, Downers Grove, IL 60515 USA

Phone: (630) 969-7200 (800) 535-3727 FAX: (630) 969-0310

E-Mail: precisionbrand@pbrand.com

web: www.precisionbrand.com

To download a Sof’ Shoe brochure click here

slide48

Precision Brand Products, Inc.

2250 Curtiss Street, Downers Grove, IL 60515 USA

Phone: (630) 969-7200 (800) 535-3727 FAX: (630) 969-0310

E-Mail: precisionbrand@pbrand.com

web: www.precisionbrand.com

To download a Sof’ Shoe brochure click here