SAFETY PRECAUTION:

Read and follow all safety and operating instructions.

WARNING:

Face & eye protection must be worn while operating power tools, per ANSI B186.1

For maximum power the combined length of the two rivet sets

must be of the correct length.

Determine the correct lengths as follows:

The length of the body

dimensions of the two rivet

sets (A1, A2) should equal

the closed height dimension

of the yoke (H) minus the

total thickness of material

being riveted together.

The length of the body

dimensions of the two rivet

sets (A1, A2) should equal

the closed height dimension

of the yoke H minus the total

thickness of material being

riveted (M) and the height

of the finished rivet head (Z)

compressed by the flush set

(A).

The length of the body

dimensions of the two rivet

sets (A1, A2) should equal the

closed height dimension of

the yoke (H) minus the overall

length of the rivet (M) after it is

compressed.

If necessary, select rivet

sets a little short and shim

to the correct length using

spacer shims.

SIOUX TOOLS INDUSTRIAL CATALOG

Principles of Operation

Air powered compression riveters deliver a squeezing action, which drives the rivet by “flowing” the rivet metal with compressed

forces. Squeezing action is obtained by coupling an air cylinder and piston to a wedge or cam, thus multiplying the original force to

extreme ratios. High compressive forces are obtained from a relatively compact unit having small diameter cylinders and using very

little compressed air.

The advantage of squeeze riveting is simple sounds of air exhaust and forward piston movement developing tremendous pressures

being exerted at the work point.

Optimum control may be obtained in compression riveting. The rivet head is formed by a steady, uniform squeeze action. The set

plunger and dolly are an integral part of the squeezer itself.

Length of the return stoke may be adjusted that the plunger itself does not have to travel its full length.

Consistently applied pressure makes for a better appearance of the finished product as well as giving the ultimate in

structural efficiency.

Classification of Squeezers:

Alligator: The squeezing action of the jaws are similar to the movement of an Alligators jaws.

‘C’ Type: The rivet is squeezed between the two ends of the ‘C’.

SPECIALTY

Rivet material.

Rivet body diameter.

Rivet length before and after compression.

Force required to compress rivet.

What material is the rivet made from?

What size is the rivet?

What is the form of the head?

What components are being assembled?

Are there any clearance problems?

Is Alligator or ‘C’ type yoke required?

How is the application being done now?

Are there any special considerations?

Rivet Set

Shim

C-Yoke

(or Jaw)

cupped rivet set

cupped rivet set

M H

A

1

A

2

A

1

+ A

2

= H - M

A

1

+ A

2

= H - M - Z

A

1

A

2

Z

cupped rivet set

flush rivet set

M

H

A

1

A

2

flush rivet set

flush rivet set

A

1

+ A

2

= H - L

M

H

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