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