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Milling Machine Parts and their Function

Updated on December 24, 2009

The principle parts of milling machine are given:

  • Base

The base of the machine is Grey iron casting accurately machined on its top and bottom surface and serves as a foundation member for all the other parts which rest upon it. It carries the column at its one end. In some machines, the bage is hollowed and working as a reservoir for cutting fluid.

  • Column

The column is the main supporting frame mounted vertically on the bage. The column is box shaped. Heavily ribbed inside and houses all the driving mechanisms for the spindle and table feed. The front vertical face of the column is accurately machined and is provided with dovetail guide ways of supporting knee. The top of the column is finished to hold an over-arm that extends outward at the front of the machine.

  • Knee

The knee is the rigid gray iron casting that slides up and down on the vertical way of the column face. The adjustment of height is effected by elevating screw on the base that also supports the knee. The knee houses the feed mechanism of the table, and in different controls to operate it. The top face of the knee forms slid way for the saddle to provide cross travel of the table.

  • Saddle

The saddle is placed on the top of the knee, which slides on guide ways set exactly at 90 to column face. A cross feed screw near the top of the knee engages a nut of the bottom of the saddle to move it horizontally, by hand or power, to apply cross feed. The top of the saddle is accurately machined to provide guide ways for the table.

  • Table

The table rest on ways on the saddle and travels longitudinally. The top of the table is accurately finished and T-slots are provided for clamping the work and other fixtures on it. A lead screw under the table engages a nut on the saddle to move the table horizontally by hand or power. The longitudinal travel of the table may be limited by fixing trip dogs on the side of the table. In universal machines, the table may also be swiveled horizontally. For this purpose the table is mounted on a circular bage which in its turn is mounted on the saddle. The circular bage is graduated in the degree.

  • Over hanging arm

Over hanging arm is mounted on the top of column extends beyond the column face and serve as a bearing support may be provided nearest to the cutter. More than one bearing support may be provided for the arbor.

Milling Machine

Milling Machine
Milling Machine
  • Front Brace

The front brace is an extra support that is fitted between the knee and over arm to ensure further rigidity to the arbor and the knee. The front brace is slotted to allow for adjustment of the height of the knee relative to over arm.

  • Spindle

    The spindle of the machine is locates in the upper part of the column and receive power from the motor through belts, gears and clutches and transmit it to the arbor the front end of the spindle just projects from the column face and it is provided with a tapered hole into to which various cutting tools and arbors may be inserted. The accuracy in metal machining by the cutter depends on primarily accuracy, strength and rigidity of the spindle.

  • Arbor

    An arbor is considered as an extension of the machine spindle on which cutters are securely mounted and rotated. The arbors are made with taper shanks for proper alignments with machine spindles having taper hole on their nose. The taper shank of the arbor conforms to the Morse taper or self release taper whose value is 7:24. The arbor may be supported at the farthest end from the over hanging arm or may be of cantilever type which is called stub arbor.

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    • profile image

      Tori 

      2 months ago

      Wooooow

    • profile image

      PJ 

      11 months ago

      This has nothing to do with a surface grinder

    • profile image

      lordma 

      2 years ago

      thanks bro, your work is fabulous

    • profile image

      salma ibrahim 

      2 years ago

      how do you copy it nne

    • profile image

      Michael Jackson 

      2 years ago

      Ooogiewoogieoogleboogle

    • profile image

      junaid 

      2 years ago

      Its so nice and helpfull to me

    • profile image

      RASTAMAN 

      3 years ago

      YUT ITOT KULANG MAN DYAN TAE

    • profile image

      astrologo 

      3 years ago

      kulang kulang gd ya!!!!!!

    • profile image

      fajardo 

      3 years ago

      kulang,2 man ni mn

    • profile image

      abduhussen@hotmail.com 

      3 years ago

      i like to know about milling machine

    • profile image

      Anonymous 

      3 years ago

      thanks man

    • profile image

      Leones 

      3 years ago

      kulang sayang.....

    • profile image

      awais ali engineer 

      3 years ago

      Havea good website

    • profile image

      Animesh barman 

      3 years ago

      please tell me details about milling machine

    • profile image

      clyde 

      3 years ago

      MET of MSU-IIT

      thank you i learn something and i want more.

      GBU :)

    • profile image

      noel 

      4 years ago

      kulang man oi,, pero salamat nga bulig sa akong assignment

    • profile image

      kb second2 

      4 years ago

      i am student of mechanical.(i am bangladeshi)

    • profile image

      rhin 

      4 years ago

      maraming kulang.....

      pero atleast mai 6 na parts and its function

      i am proud to be a mechanical students (AMETS) :)

    • profile image

      yuvaraj 

      4 years ago

      its very usefull thanks

    • profile image

      meludy 

      4 years ago

      Kahit na po kulang sya . Be thankful nalng po , atleast the other parts are there . :) , i'm an Mechanical Tech. student .

      Thanks for the help . GBU .

    • profile image

      poor engineer 

      4 years ago

      thanks thanks. it's so helpful for my internship report

    • profile image

      4 years ago

      Dr.Acula

    • profile image

      yeah 

      4 years ago

      follow me on twitter =)) @rjmonteclaro

    • profile image

      hero 

      4 years ago

      hui ano ba 'yan parang kulang naman yong ginawa may gana pang ipinost

    • profile image

      rightman 

      5 years ago

      what is your function?

    • profile image

      ling 

      5 years ago

      kuwang pa jd btw guro ne ui.,.,?

    • profile image

      JOKING 

      5 years ago

      KULANG MAN GURU NI PWD DUGANGAN???????

    • profile image

      pakUjuan 

      5 years ago

      pak u ka juan!

    • profile image

      lester 

      5 years ago

      kulang kau puta!!!!!!!!!!!!!!!!!!!!!

    • profile image

      juan 

      5 years ago

      mga pilipino maners naman

    • profile image

      pambihira ka 

      5 years ago

      kulang

    • profile image

      5 years ago

      please give the other parts and functions of milling machine

      heheheh

      :)

    • profile image

      Dean Bern 

      5 years ago

      salamat sa konting kaalaman. :))

    • profile image

      MR. 

      5 years ago

      tnx

      po..............................

    • profile image

      xenon 

      5 years ago

      its more informative.tnx

    • profile image

      wosenu 

      5 years ago

      i am intreasted

    • profile image

      limor 

      5 years ago

      nice info.but need more than you hav

    • profile image

      lyn 

      5 years ago

      tnx s info, kht ejo confused pa rn

    • profile image

      aw 

      5 years ago

      ok lang yan

    • profile image

      jhay ar 

      5 years ago

      kulang ung parts -.-" !!!!

    • profile image

      DEM 

      6 years ago

      AHHHHHHHHH......... WOW NA INCOUTER Q N 2.

    • profile image

      jm sumague 

      6 years ago

      kulang pa toh

    • profile image

      JOSHUA SALVADOR 

      6 years ago

      MET 1C TECHNOLOGICAL UNIVERSITY OF THE PHIL. MGA ENGOT ITS BETTER TO USE BOOKS THAN INTERNET, WALANG KWENTA TO UMASA NALANG KAU SA NET KAYA PURO NET ANG ANG LAMAN NG MGA UTAK NYO

    • profile image

      CHAVET RAMISCAL 

      6 years ago

      pogi ko tlga

    • profile image

      CHAVET RAMISCAL MABANTOT 

      6 years ago

      AYYYYY.... NAKOW.... ICP BATA

    • profile image

      JOSHUA SALVADOR 

      6 years ago

      PUTANG INA NYO ANG DAMI NYONG ALAM KANTUTAN NALANG OH MAS MAGANDA, BY JOSH SALVADOR

    • profile image

      Mike Tyson 

      6 years ago

      ang pogi tlga ni CHAVITA

    • profile image

      CHAVZ 

      6 years ago

      MAGANDA NGUNIT SANA MAY NAKALAGAY NA MGA PICTURE PARA MAS MAINTINDIHAN . VERY THANKFUL AKO AS MECHANICAL ENG'G MALAKI ANG TULONG NITA SA AMIN!

    • profile image

      may be 

      6 years ago

      kulang mga mukha nyo

    • profile image

      ney 

      6 years ago

      kulang nmn ung function

    • profile image

      axil 

      6 years ago

      saun...,kulang man tawon neh oi..hahaixt,,,

    • profile image

      joeph 

      6 years ago

      it is very good for my course

    • profile image

      joeph 

      6 years ago

      it is very good for course

    • profile image

      mervin 

      6 years ago

      walang nakalagay na picture sa bawat parts para malinaw..

    • profile image

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      6 years ago

      good information

    • profile image

      pra 

      6 years ago

      good job

    • profile image

      livinghost 

      6 years ago

      please die

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      Louis 

      6 years ago

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      mhariz 

      6 years ago

      kulang

      ..

    • profile image

      jejaka cinta 

      6 years ago

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      roland patatag 

      6 years ago

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      6 years ago

      walang index crank...

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      6 years ago

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      6 years ago

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    • profile image

      yaw amoh 

      6 years ago

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    • profile image

      6 years ago

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    • profile image

      jay 

      6 years ago

      i am a trainee of a lathe and milling machine,and i want to know and to learn about more to machining.

    • profile image

      joy 

      6 years ago

      thanks who behind this

    • profile image

      w3w 

      6 years ago

      kulang assignment ko pa naman yan..

    • profile image

      john 

      6 years ago

      honestly speaking, may kulang, how about the other parts and its functions?

    • profile image

      raldz 

      6 years ago

      anu ba yankulang2x naman

    • profile image

      seanus 

      6 years ago

      this is great info it really helped with an assignment that was going to be late. thanks.

    • profile image

      seanus 

      6 years ago

      this is great info it really helped with an assignment that was going to be late. thanks.

    • profile image

      annapurna 

      6 years ago

      I AM PARTCIPAT IN THE SEMANER CNC MILLING MACHIN

    • profile image

      Maruf 

      6 years ago

      I am a student of mechanical.i am bangladeshi.

    • profile image

      jabazi 

      6 years ago

      enyewe iko poa...imenisaidia kuandika report...

    • profile image

      jmabZ 

      6 years ago

      kulang pa yan eh!!!

    • profile image

      nel 

      6 years ago

      kulang pa

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      Obashi john 

      6 years ago

      Thank God for this site, and thanks also to the uploader of this information, because it has help me a lot. Thanks am greatful

    • profile image

      Frank 

      6 years ago

      This is nice it has helped me a lot in doing my assignment.Thanks

    • profile image

      Lawal samuel 

      7 years ago

      Its great it helps in my course Mechanical engineering practice.

    • profile image

      mechanical 2J de chavez  

      7 years ago

      kulang ng parts eh ,.,.,.

      ,.,.

    • profile image

      Tim 

      7 years ago

      I will kill you all

    • profile image

      tae 

      7 years ago

      kulang walay table spot ug tripdog

    • profile image

      machine parts 

      7 years ago

      You have give a lot info. I really like it.

    • profile image

      Richmond 

      8 years ago

      yut's kulang man ni!!!!!

    • profile image

      Richmond 

      8 years ago

      yut's kulang man ni!!!!!

    • ninjacraze profile imageAUTHOR

      ninjacraze 

      8 years ago from Pakistan

      No I am from Pakistan.I like these apprenticeship type program.

    • 50 Caliber profile image

      50 Caliber 

      8 years ago from Arizona

      I'm a 32 year machinist with extensive machinery back ground of operations and repair.

      Are you a US citizen? or just here attending school? I ask because I know of some hands on training you might qualify for. It is an apprenticeship type program

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