# Machining Assistant — Cutting & Tolerance Tool

> Machining calculations for engineers, operators, and technicians. (iPhone/iPad app by 小燕 陈.)

- Source: https://appshunter.io/ios/app/machining-assistant/id6766735667 (this page in markdown: same URL + `.md`)
- Developer: [小燕 陈](https://appshunter.io/developer/1462872555)
- Category: Productivity
- Price: $0.99
- Age rating: 4+
- Requires: iOS 16.6 · 8 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-05-06
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/machining-assistant/id6766735667/reviews.md

## What is Machining Assistant?

Designed for mechanical engineers, CNC operators, and machining techs – makes complex calculations simple & fast!

【Core Functions】

*Cutting Parameters • Supports turning, milling, drilling
• Auto-calculates spindle speed, feed rate, cutting time
• Built-in material DB with recommended values
• Saves parameters for quick recall

*Material Weight • Supports round bar, plate, hex bar, tube
• Built-in densities for steel, aluminum, copper, etc.
• Custom density input allowed
• Real-time weight & volume, one-tap copy

*Tolerance & Fit • Supports tolerance & fit modes
• Covers IT01–IT18 tolerance grades
• Auto-identifies fit type (clearance, transition, interference)
• Calculates upper/lower deviations, max/min sizes

*Thread Formula Guide • Full metric thread data (M1–M64)
• Inch thread specs
• Provides major, pitch, minor dia., tap drill size
• Includes common machining formulas for quick reference

【App Highlights】

• Sci-fi UI, great visual experience
• Simple & intuitive – easy to use
• Accurate, reliable data – meets national standards
• Save parameters to boost efficiency
• Works offline – calculate anywhere, anytime

【Who It's For】

• Mechanical design engineers
• CNC programmers & operators
• Machining technicians
• Mechanical engineering students
• Manufacturing pros

Make machining calculations no longer a hassle – Machining Assistant helps you get twice the result with half the effort!

## Key features

- Cutting parameter calculation
- Material weight and volume
- Tolerance and fit analysis
- Thread data and formulas
- Offline functionality
- Material database

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/machining-assistant/id6766735667/reviews.md

### 2/5 — 材料计算点开就闪退

*2026-05-18*

材料计算点开就闪退

**Developer response:** 感谢您的反馈！有问题可以在APP中发邮件反馈给我们，我们将及时更新修复哦！

## Frequently asked questions about Machining Assistant

### What are the core functions of Machining Assistant?

Machining Assistant provides core functions for cutting parameters (turning, milling, drilling), material weight calculations for various shapes, tolerance and fit analysis, and comprehensive thread data including metric and inch specifications.

### Does Machining Assistant work offline?

Yes, Machining Assistant is designed to work offline, allowing users to perform calculations and access data anywhere, anytime without an internet connection.

### What types of machining operations does Machining Assistant support?

The app supports cutting parameters for turning, milling, and drilling operations, automatically calculating spindle speed, feed rate, and cutting time.

### Can I save custom parameters in Machining Assistant?

Yes, Machining Assistant allows users to save custom cutting parameters for quick recall, which can help boost efficiency in recurring tasks.

### What is the price of Machining Assistant?

Machining Assistant is a paid application, available for a one-time purchase of $0.99.

### What devices is Machining Assistant compatible with?

Machining Assistant is compatible with both iPhone and iPad devices.

### How often is Machining Assistant updated?

The latest version is 1.1, and it was last updated on June 12, 2026. This indicates a recent update, suggesting ongoing support and potential for future improvements.

### Does Machining Assistant have ads?

No, Machining Assistant does not contain advertisements. It is a paid application designed to be ad-free for a seamless user experience.

## Version history (last 2 releases)

### 1.1 — 2026-06-12

Fix: bug in shape switching for material weight calculation

### 1.0 — 2026-05-06

No release notes.

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All apps by 小燕 陈: https://appshunter.io/developer/1462872555

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*