Oil Seals: Oil Seal Fundamentals – Rotary Applications

Oil Seal Fundamentals: Rotary Applications introduces learners to the overall concepts and terminology associated with oil seals used in rotary or radial applications. In addition, this course provides a variety of important tips and best-practice methods for the purchase, testing, and installation of oil seals. Using THORS’ 3D-animated and visually rich interactive format, the course also depicts the steps involved in properly manufacturing oil seals for modern applications. Whether the course user is new to oil seal industries, or is a seasoned veteran, there are practical learning moments contained in this course for everyone.


Learning Objectives

  • Understand the basic components and configuration of rotary oil seals.
  • Recognize the raw material involved in oil seal production.
  • Recall some the primary steps required to mass produce oil seals.
  • Understand the common testing processes applied to oil seal components.
  • Differentiate between the defects that are common to oil seal manufacturing.
Course Length: 3 HRS

Table of Contents

Oil Seal Basic Concepts and Materials

  • What are Rotary Oil Seals?
  • Components of an Oil Seal
  • Metal O.D. Seals
  • Rubber O.D. Seals
  • Common Case Designs
    • Rubber O.D.
    • Metal O.D.
    • Metal O.D. with Inner Case
    • Half Metal/Half Rubber O.D.
  • Common Polymer Material
    • Nitrile (NBR)
    • Polyacrylic (ACM)
    • Hydrogenated Nitrile (HNBR)
    • Fluoroelastomer (FKM)
    • Polytetra (PTFE)
  • Common Lip Designs
    • Single Lip with Spring
    • Double Lip with Spring
    • Single Lip without Spring
    • Double Lip without Spring
    • Triple Lip with Spring
    • Unitised with Spring
    • PTFE Seal

Oil Seal Production

  • Metal Reinforcement
    • Blank, Raise, and Pierce
    • Degreasing
    • Zinc Phosphating
    • Dipping in Bonding Agent
  • Rubber Blanks
    • Rubber Mill
    • Kneader
    • Extruding Rubber Blanks
  • Vacuum Compression Molding
  • Lip Trimming
    • Cone Trimming
    • Collet Trimming
  • Metal O.D. Operations
    • Chamfering
    • O.D. Grinding
    • Oil Coating
  • Garter Spring

Testing, Defects, and Installation

  • Testing
    • Hardness Testing
    • Tensile Testing
    • Metal to Rubber Bond Testing
    • Compound Testing
    • Specific Gravity Checking
    • Profile Checking
    • Radial Load Testing
    • Lip Opening Pressure Testing
    • Performance Testing
  • Defects
    • Flash
    • Poor Bond
    • Mold Impression
    • Blister
    • Porosity
    • Cut or Crack
  • Installation
    • Pregreasing
    • Contamination
    • Handling
    • Shaft Protection
    • Fitment: Misalignment
    • Fitment: Non-Uniform Force
    • Fitment: Proper Installation Tool

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