NAMA MURID

NO KAD PENGENALAN

TAHUN 1 SEMESTER 2 TAHUN : 2013

TAJUK MODUL MESIN PENGISAR

1 Nyatakan dua jenis mata alat yang digunakan (mata pengisar) untuk mengisar.

i...............................................................................................................................................

ii.............................................................................................................................................

2 Nyatakan lima kerja-kerja yang dijalankan menggunakan mesin pengisar.

i....................………………………………………………………………………………..

ii..…………………………………………………………………………………………....

iii............................................................................................................................................

iv............................................................................................................................................

v............................................................................................................................................

3 Mesin pengisar dikelaskan kepada dua iaitu:

i...................………………………………………………………………………………..

ii.............................................................................................................................................

4 Mesin pengisar ufuk terdiri daripada dua jenis iaitu:

i...................………………………………………………………………………………..

ii.............................................................................................................................................

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5 Nyatakan perbezaan diantara kedua-dua jenis mesin pengisar ufuk di soalan no.4

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6 Nyatakan kelebihan mesin pengisar tegak.

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7 Nyatakan fungsi utama mesin pengisar pengeluaran.

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9 Sebatang gerudi didapati sudut pemotong sama besar tetapi panjang bibir pemotong berbeza. Apakah kesan pada lubang yang dihasilkan.

6 Sebatang gerudi didapati panjang bibir pemotong sama tetapi bukaan sudut pemotong berbeza.

Apakah kesan pada lubang yang dihasilkan.

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8 Labelkan jawapan yang sesuai di dalam ruangan jawapan yang telah disediakan dengan

gambar bahagian-bahagian mesin.

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E)

C)

F)

B)

D)

A)

(a) Nyatakan fungsi bahagian yang berlabel A, B, C, D dan F.

A: ............................................................................................................................................

B: .............................................................................................................................................

C: ............................................................................................................................................

D: ............................................................................................................................................

9 Nyatakan lima alat tambah untuk memegang mata alat dan benda kerja

i...................………………………………………………………………………………..

ii.............................................................................................................................................

iii............................................................................................................................................

iv............................................................................................................................................

v............................................................................................................................................

10 Nyatakan 3 aksesori pemegang mata alat

i...................………………………………………………………………………………..

ii.............................................................................................................................................

iii............................................................................................................................................

11 Berikut adalah jenis ragum mesin kecuali

A. Ragum BiasaB. Ragum BerkilasC. Ragum UniversD. Ragum Universal

12 Untuk memegang benda kerja yang perlu dimesin pada 2 satah ragum yang sesuai digunakan

adalah

A. PlainB. Swivel

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C. UniversalD. Angle

13 Nyatakan maksud penyataan yang terdapat pada batang tap.

M : ..............................................................................................................

6 : ...…………………………………………….......................................

1.5 : ...……………………………………………………….......................

14 arbor terbahagi kepada tiga jenis. Terangkan dan lakarkan 2 jenis arbor di bawah.

i. Arbor panjang jenis A. Nyatakan fungsi setiap bahagian.

i. Relang a....................................................................................................................

b...................................................................................................................

c....................................................................................................................

ii. .....................................................................................................................

iii. ....................................................................................................................

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ii. Arbor pengisar hujung

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15 Nyatakan kegunaan adaptor

i. ……………………………………………………………...............................................

ii. ....………………………………………………………...................................................

16 Nyatakan 3 jenis adaptor dan fungsinya

i.....………………………………………………………………………………...............

ii.............................................................................................................................................

iii............................................................................................................................................

17 Terangkan langkah-langkah memasang arbor mesin pengisar ufuk

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18 Terangkan langkah-langkah memasang mata alat ke dalam Arbor berdasarkan gambar

rajah.

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18 Nyatakan pengiraan untuk menentukan saiz gerudi yang diperlukan untuk mengulir dalam/ tap M10 × 1.8mm.

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19 Nyatakan 3 bahan yang dugunakan untuk membuat mata alat pengisar.

i.....………………………………………………………………………………...............

ii.............................................................................................................................................

iii............................................................................................................................................

20 Nyatakan kegunaan dan lakarkan mata alat pengisar biasa.

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Bahagian B

21 Hitungkan kelajuan spindal yang sesuai dalam putaran per minit (PPM) dengan kelajuan pemotongan 44 meter seminit bagi menggerudi lubang kelegaan bergarispusat 30 mm. (nilai = 3.14)

Langkah pengiraan :

22 Nyatakan kegunaan bagi mata alat pengisar dibawah.

i. mata alat pengisar tepi

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ii. mata alat pengisar celah

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iii. mata alat pengisar bersudut

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iv. mata alat pengisar tunggal

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v. mata alat pengisar hujung

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vi. mata alat pengisar muka

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vii. mata alat pengisar berbentuk

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viii. mata alat pengisar lurah bajang

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ix. mata alat pengisar alur kunci woodruff

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x. mata alat pengisar jenis Tip

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23 Natakan ciri bagi 2 kaedah mesin megisar di bawah.

Mengisar ke atas mengisar ke bawah

i. ............................................................................... i....................................................................

ii. ............................................................................. ii

iii. ............................................................................ iii

iv. ............................................................................ iv

v. ............................................................................. v

vi. ............................................................................. vi

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24 Nyatakan 5 faktor yang menentukan kadar hantaran pemotongan

i. ............................................................................................................. .

i...............................................................................................................

ii. ............................................................................. ...............................

iii. ..............................................................................................................

iv. ............................................................................ ...............................

v. .............................................................................................................

25 Nyatakan tatacara penjajaran ragum selari dengan penghantaran meja.

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26 Nyatakan 6 operasi mesin kisar.

1.2.

3.

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4.

5.

6.

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