DCV 1044 – AMALAN BENGKEL

TOPIK 3: FABRIKASI LOGAM

Disampaikan oleh:Muhammad Amirul bin Abdullah

Unit Automotif, KKBD

cikguamirul.wordpress.com

TOPIK 3.0 FABRIKASI LOGAM

3.1 MENJELASKAN PROSES PEMOTONGAN

3.2 MENJELASKAN PROSES MEMBENTUK

3.3 MENJELASKAN PROSES MENYAMBUNG

3.1

MENJELASKAN PROSES PEMOTONGAN

• Milling

• Turning

• Threading

• Grinding

• Filling (mengikir)

• Drilling

3.1 MENJELASKAN PROSES PEMOTONGAN

Vertical milling machine

Horizontal milling machine

Milling machine (Vertical, Manual)

1.Face milling cutter

2.Spindle

3.Spindle head

4.Column

5.Table

6.Saddle

7.Knee

8.Base

9.Spindle switch

10.Spindle speed gear lever

11.Spindle speed control lever

12.Oil tank

13.Table manual wheel

14.Table lock bar

15.Saddle automatic moving bar

16.Saddle automatic moving control dial

17.Saddle manual wheel

18.Knee manual wheel

19.Quick button

Horizontal milling machine. 1: base 2: column 3: knee 4 & 5: table (x-axis slide is integral) 6: overarm 7: arbor (attached to spindle)

TURNING

THREADING

GRINDING

FILLING

KIKIR digunakan untuk memotong, menipiskan, atau melicinkan permukaan sesuatu komponen atau benda kerja.

Proses memotong, menipiskan, dan melicinkan ini dinamakan mengikir.

Jenis potongan kikir

DRILLING

3.2

MENJELASKAN PROSES MEMBENTUK

• Bending

• Rolling

• Shearing

3.2 MENJELASKAN PROSES MEMBENTUK

Bending

Rolling

Shearing

HydraulicTypes Of sheet

metal Shearing Machine

3.3

MENJELASKAN PROSES MENYAMBUNG

• Rivet

• Pateri

• Gam industri

• Bolt dan nat

3.3 MENJELASKAN PROSES MENYAMBUNG

Cordless rivet gun

Pneumatic riveter

Rivet

Pateri

Industrial soldering iron

Gam industri

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Bolt and nut

Bolts, screws and nuts

Types of bolts

Through Bolt Tap Bolt Stud Bolt

Types of Nuts

Palnut Self-Locking Interference

Collar

Self-Locking

Hex Slotted Hex Castle

(or Castellated)

Acorn Square

Hexagonal

Head

Internal

Hex (Allen)Fluted Phillips Round

Head

Flat

Head

Fillister

Head Oval

Head

Various Types of Screw heads

Bolt and nut size indication

B

B

B

Hexagonal bolt Hexagonal nut

M 10 x 1.25

Pitch

Nominal diameter (d)

Metric Thread

Thread nominal diameter D Diameter P Pitch B Width across flats

M5 5mm 0.8mm 8mm

M6 6mm 1mm 10mm

M8 8mm 1.25mm 12mm

M10 10mm 1.25mm or 1.5mm 14mm

Examples of General Bolts and Nuts

60°

Pitch p

A D

Bolt (External Thread) Nut (Internal Thread)

PENTAKSIRAN:

KUIZ

UJIAN

AMALI