Why we hate engineers - Summary

Summary

Here is a concise summary of the provided transcript:

**Title:** Improving Collaboration between Designers and Machinists in Engineering

**Objective:** To share lessons from experienced designers and machinists on how to work cooperatively, reducing mistakes and costs, for the benefit of the next generation.

**Key Takeaways (5 Bullet Points):**

1. **Maximize Tolerances**: Only specify tight tolerances when necessary, to avoid unnecessary extra work.
2. **Use Standard Metrics**: Refer to standard charts for drill bits, taps, and dies to avoid special orders.
3. **Be Realistic about Designs**: Consider manufacturability and material limitations when designing parts.
4. **Use Standard Radius (where applicable)**: Avoid custom tooling by using standard radius values.
5. **Involve Machinists in the Design Process**: Having a machinist's input early on can reduce operating costs and prevent design flaws.

**Goal:** To promote effective collaboration between designers and machinists, streamlining the engineering process, and saving time and money.

Facts

Here are the key facts extracted from the text, without opinions, with each fact numbered and in short sentences:

1. **Project goal**: Transform a block of aluminum into an intake manifold for a Lamborghini.
2. **Machining definition**: Machining involves taking a raw material and cutting it into a desired shape by removing material in a controlled process (subtractive manufacturing).
3. **Contrast to 3D printing**: 3D printing is an example of additive manufacturing.
4. **CNC definition**: CNC stands for Computer Numerically Controlled, a machining process used in industrial areas.
5. **Machinist role**: Machinists turn a raw material (e.g., a cube of metal) into a specific part.
6. **Designer's role**: Designers create a 3D model for a part, considering its purpose, material, stresses, and simulations.
7. **Design-to-production process**:
* Designer produces a 3D model.
* Team reviews and approves the model.
* Designer prints a technical drawing.
* Machinist uses the drawing to create the part.
8. **Precision requirements**:
* Some parts require precise cuts (within microns of tolerance).
* Others can have more tolerance (depending on the part's purpose).
9. **Standard charts usage**:
* Standard metric or Imperial charts should be used for consistency.
* Using these charts can reduce the need for special orders.
10. **Bullet points for efficient collaboration** (from experienced machinists and designers):
1. **Maximize tolerances** where applicable.
2. **Use standard metric or Imperial charts**.
3. **Be realistic about design feasibility**.
4. **Use standard radius where applicable**.
5. **Have a machinist (or former machinist) in the office** to reduce operational costs.

Note: Some facts (e.g., the project's goal, definitions, and roles) are foundational, while others (e.g., the bullet points) are more specific guidelines for efficient collaboration between designers and machinists.