---
title: Geometri andas
description: Sudut belakang pisau bawah memberi kesan kepada kualiti pemotongan dan ketahanan andas.
image: https://www.tkmgroup.com/hubfs/images/Menueimages/Papier_und_Zellstoff/Kreisuntermesser.jpg
---

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 30.01.2023 [ TKM ](https://www.tkmgroup.com/ms/penyelesaian-masalah/author/tkm)

## Geometri andas

Sudut belakang pisau bawah memberi kesan kepada kualiti pemotongan dan ketahanan andas.

**Masalah 1:  
**Sudut belakang terlalu besar

**  
Masalah 2:  
**Sudut belakang terlalu kecil

 

**Penyelesaian kepada masalah 1:**

-  jangka hayat pisau yang pendek
- peningkatan pembentukan habuk

Penyelesaian kepada masalah 2:

- Potongan yang tidak bersih
- Pembentukan habuk

Nasihat:  
Biasanya, kami mengesyorkan sudut belakang 1°-3°.

Petua:  
Tatahan logam karbida pada andas lebih murah berbanding andas berkarbida pejal.

![Unbenannt-2](https://www.tkmgroup.com/hs-fs/hubfs/Unbenannt-2.png?width=600&name=Unbenannt-2.png)

- sudut belakang mengurangkan haus
- gelang karbida mengurangkan kos

- [
  
  
  
  ##### Jangka hayat (pisau pemotong)
  
  
  
  ](https://www.tkmgroup.com/ms/penyelesaian-masalah/jangka-hayat-pisau-pemotong)
- [
  
  
  
  ##### Kualiti pemotongan (pisau pemotong)
  
  
  
  ](https://www.tkmgroup.com/ms/penyelesaian-masalah/kualiti-pemotongan-pisau-pemotong)
- [
  
  
  
  ##### Pecah (pisau pemotong)
  
  
  
  ](https://www.tkmgroup.com/ms/penyelesaian-masalah/pecah-pisau-pemotong)
- [
  
  
  
  ##### Rakel pencuci
  
  
  
  ](https://www.tkmgroup.com/ms/penyelesaian-masalah/rakel-pencuci)

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