Posted June 21, 2019 - Updated Dec 4, 2019

(Engineering Bulletin #/web973)

Coupling Types

Options for Shaft Joint Designs - Coupling type with plug weld

Coupling type with plug weld.

Options for Shaft Joint Designs - Coupling type with circumferential weld

Coupling type with circumferential weld.

Coupling type with off-axis pin(s) - 1 or 2 sets of 1 or 2. Note: much greater shear area than on-axis pins and lower stress concentration on journal.

Coupling type with off-axis pin(s) – 1 or 2 sets of 1 or 2. Note: much greater shear area than on-axis pins and lower stress concentration on journal.

Options for Shaft Joint Designs - Coupling type with on-axis pin(s) - 1 or 2 at 90°

Coupling type with on-axis pin(s) – 1 or 2 at 90°.

Non-coupling Types

Options for Shaft Joint Designs - Plug weld type with optional pin(s) and optional pilots

Plug weld type with optional pin(s) and optional pilots.

Off-axis (tangential) pin(s) - 1 or 2 may be used. Note: Much greater shear area than on axis pins and lower stress concentration on journal.

Off-axis (tangential) pin(s) – 1 or 2 may be used. Note: Much greater shear area than on axis pins and lower stress concentration on journal.

Options for Shaft Joint Designs - Butt weld type with optional pin(s) and optional pilots

Butt weld type with optional pin(s) and optional pilots.

Pilots may be threaded for higher loading.

Pilots may be threaded for higher loading.

Options for Shaft Joint Designs - On-axis pin(s) - 1 or 2 at 90°

On-axis pin(s) – 1 or 2 at 90°.