Table of Content
 

BASIC MILLING AND GEAR CUTING

  • Manufacturing processes in brief
  • Manufacturing
  • Milling machine
  • Principle of milling  (cutting)
  • Classification
  • Plain/horizontal milling machine
  • Vertical milling machine
  • Universal milling machine
  • Specification of a milling machine
  • Arbor
  • Type  of  arbors and their uses
  • Long  arbor
  • Stub  arbor
  • Types
  • Parts of a milling machine 
  • Parts of a milling machine
  • Parts of a milling machine
  • Gear box
  • Base
  • Column
  • Knee
  • Spindle
  • Saddle
  • Table
  • Over arm and brace

Milling processes

  • Plain or slab milling
  • Side milling
  • Face milling
  • End milling
  • Up  - milling and down  - milling
  • Up  - cutting milling
  • Advantages
  • Disadvantage
  • Down -  cut milling
  • Advantages
  • Disadvantages
  • End mill cutters
  • Slot drills
  • Collect chuck
  • Adapters
  • Self – locking chucks (heavy duty chucks)
  • Slot equal to cutter diameter
  • Slot lager than the cutter diameter

Milling cutters

  • Solid  cutters
  • Inserted  Tooth cutters
  • Brazed – on tip cutters
  • Direction of rotation of the cutters
  • Method of mounting the cutter
  • Arbor type  cutters
  • Shank type cutters
  • Direction of helix  of the cutter
  • Milling cutters – material
  • Carbon steel
  • High speed steel
  • Sintered  carbides
  • Ceramics
  • Diamonds

Plain milling cutters

  • Milling cutters
  • Solid cutters
  • Inserted  tool  cutter
  • Plain milling cutters
  • Light duty plain milling cutters
  • Heavy duty plain  milling cutters
  • Helical plain milling cutters
  • Specification

Side and face cutters

  • Types of side and face milling cutters
  • Half side milling cutter
  • Plain  side  and face milling  cutter
  • Staggered  teeth side milling  cutter
  • Interlocking side milling cutter

Rough and finish milling

  • Feed, depth of  cut,  cutting speed
  • Finish milling

Form milling cutters

  • Convex  milling  cutter
  • Concave milling cutter
  • Corner rounding milling cutter

‘T’ slot cutters

  • T’ slot  cutters
  • Specification
  • tool type

Angular milling cutter

  • angular milling  cutters
  • single angular  milling cutters
  • designation
  • equal angle  milling cutters
  • designation
  • double unequal angle cutter
  • designation
  • slitting saw

Indexing

  • What is indexing?
  • type of indexing  heads
  • purpose of direct indexing
  • principal of direct indexing
  • direct indexing mechanism
  • Plain or simple indexing
  • purpose of simple  indexing
  • purpose of simple indexing
  • principal of simple indexing
  • simple indexing mechanism
  • index plate
  • brown and sharp index plate system 
  • index crank
  • sector arms

Angular indexing

  • principle
  • Indexing in minutes

Types of gear train

  • gear  trains
  • types of gear trains
  • simple  gear train
  • compound gear train 
  • epicyclic  gear train 
  • planetary gear  train
  • applications 
  • gears
  • spur gears
  • helical gear
  • heingbone  or double helical gears
  • internal gears
  • rack and pinion
  • straight bevel  gears
  • gear tooth system
  • law of gearing 
  • gear profiles
  • nomenclature of spur gear their proportion
  • spur  gear nomenclature
  • gear nomenclature
  • pith circle
  • addendum
  • dedendum
  • flank
  • fillet
  • circular pitch
  • circular thickness or tooth thickness
  • diametrical  pitch

Rack and Pinion

  • Rack and pinion animation

Helical Gear proportions and calculation

  • Introduction
  • Helical gear parameters
  • Helix angel
  • Pitch / module
  • Helical Gear geometrical proportions
  • Crossed Helical Gears

Planning Machine –principle, application, specification and classification

  • CLASSIFICTION
  • Open side planning machine
  • Specification
  • PLANNING MACHINE – PARTS AND FUNCTIONS
  • BED
  • TABLE
  • HOUSING
  • TYPES OF PLANNING MACHINE
  • PITPLANNING MACHINE
  • EDGE OR PLATER PLANNING MACHINE
  • Constructional Features of a Slotting Machine
  • DIVIDED TABLE PLANNING MACHINE
  • HYDRAULIC PLANNING MACHINE
  • Base or bed
  • Column
  • Saddle
  • Cross-slide
  • Rotating table
  • RAM
  • Speed gearbox
  • Feed gearbox
  • Rotary Table Construction And Uses
  • Driving Mechanism of a Slotting Machine
  • Quick Return of a Slotting Machine
  • Slotting Machine – types and their uses
  • CLSSIFICATION OF SLOTTING MACHINES
  • General purpose slotting machine
  • Precision tool room slotting machine
  • Die slitting machine
  • Locomotive frame slotting machine
  • Traveling head slotting machine
  • Feed Mechanism of Slotting Machine
  • The power feed mechanism
  • Work-holding devices of Slotting Machines
  • Vice
  • Clamps
  • T bolts
  • Angle plates
  • Step blocks

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Milling-and-Gear-Cutting-Operator