1. Overview

Liquid-cooling plates are a core thermal part of a cooling system; the structure can include fluid channels, ports, mounting holes and other machined features. This project focuses on aluminium cold-plate blanks that need CNC machining and uses pallet-based blank feeding, robot loading and unloading, transfer between machines and finished-part recovery. The design problem is a stable pallet support, a grip and clamping method that suits the plate’s size, weight and stiffness, plus surface protection and downstream sequencing.

2. Production background and retrofit need

• Plate geometry and thickness affect the grip position, the pallet structure and the clamping method.
• Some parts have a large length-to-width ratio or local thin walls, so support and clamping carry a distortion risk.
• Multi-face work may require flipping, re-locating or a second clamping.
• Machined faces, ports and mounting positions must not collide with each other after machining.
• On a multi-operation line, completion times and part buffering between stations have to be coordinated.

The source material does not describe how the part was produced before automation; that still requires a site record.

3. Workpiece and operation characteristics

What the source material records:

• The workpiece is an aluminium cold-plate blank (the material class is recorded; the grade is not).
• The structure can include fluid channels, ports, mounting holes and other machined features.
• Some parts have a large length-to-width ratio or local thin walls, with a distortion risk during clamping and handling.

4. Automation challenges

• Support and clamping of thin-walled, high-aspect-ratio plates without distortion.
• Datum consistency across flipping and second clamping.
• Protecting machined faces, ports and mounting positions during handling.
• Buffering and waiting-time management on a multi-operation line.
• Grip reliability and surface protection in an aluminium cutting environment.

5. System design

• Plate pallet feeding — the support structure is designed around the plate geometry and machining datum so the blank sits stably.
• Robot pick — the gripper or dedicated fixture is chosen from stiffness, surface requirement and available grip area.
• Automatic loading — the blank is located, clamped and confirmed with the machine-ready signal.
• Multi-operation machining — milling, drilling and other operations follow the real route; multi-face work uses the agreed flipping or second clamping.
• Unloading and finished-part protection — parts are removed once the machine permits, then transferred or recovered; machined faces use dedicated pallets and separators.

6. Loading and unloading sequence

1. Plate blank into the pallet → robot pick → fixture located and clamped
2. Milling / drilling → (if multi-face) flip or second clamping → machining complete
3. Robot unloads → next operation or finished recovery → next cycle

7. Machine, robot and storage coordination

What the proposal requires of the cell — design requirements, not measured behaviour:

• Loading is confirmed by locating, clamp and machine-ready signals.
• On a multi-operation line, completion times and part buffering between stations must be coordinated.
• Flipping and second clamping must follow the process route so operations do not fall out of sequence.

8. Key selection basis

The proposal refers only to a “robot” and leaves the gantry-versus-6-axis choice open. For plate work it stresses that the grip must be chosen from stiffness, surface requirement and available grip area, and that machined faces should not take clamping load directly.

9. Machine make and model fit

10. Part storage and automatic feeding

What the proposal records about storage:

• Plate pallet feeding combined with finished-part pallets or a store.
• The pallet support structure is designed around the plate geometry and machining datum so the blank sits stably.
• Planning condition: 300 blanks with a target of 8 hours of continuous running (a planning condition, not an acceptance result).

Note: the proposal quotes 300 blanks while the confirmed store holds 256 positions; the two figures are not on the same basis and still need to be reconciled.

11. Multi-machine line (where applicable)

The proposal positions the project as a multi-operation line but does not record how many machines are connected or how the operations are split. It notes that completion times and part buffering between stations must be coordinated.

12. Control, safety and exception handling

Control and safety requirements stated in the proposal:

• Loading is confirmed by locating, clamp and machine-ready signals.
• Unloading follows the machine unloading permit.
• Abnormal stops and recovery on a multi-operation line must be handled.

13. Commissioning and verification

Verification items listed in the proposal — proposed at concept stage; no acceptance record exists:

1. Distortion control on plates
2. Datum consistency of flipping and second clamping
3. Finished-surface protection
4. Buffering and waiting time on the multi-operation line
5. Measured cycle time and continuous-run data

The proposal states that cycle time depends on plate size, clamping method, number of faces and process route, and that an average consumption interval cannot replace the machine cycle.

14. Results and data scope

The proposal gives 300 blanks over a target of 8 continuous hours, i.e. an average blank consumption rate of 37.5 parts per hour, or about 96 s per part. It states explicitly that this is a planning calculation, that it does not represent the machining cycle time, and that an 8-hour unattended run has not been validated.

Single-part machining cycle time is 68 s (business confirmation). The line output interval is not provided. Plate size, clamping method and face count vary, so the ~96 s planning interval below cannot replace a machine cycle.

15. Scope and limitations

• The concept standardises blank location, pick and clamping for plates, reduces manual transfer between machines, lowers the risk of collision and surface damage through pallet support and finished-part placement, and gives multi-face and multi-operation parts a clearer route.
• Delivered, but without a written record: distortion control, flip and second-clamping consistency, finished-surface protection, measured cycle time and continuous-run data.
• Not provided in the source material: customer name and acceptance data. The source notes that flatness, fluid-path quality, sealing performance and thermal performance must still be verified against the product design and inspection process, and cannot be attributed to the tending system.

16. FAQ

Q: Can aluminium cold plates be handled automatically?
A: Feasibility is assessed from plate size, weight, stiffness, grip position and the machine fixture before a robot and pallet concept is selected.

Q: How is distortion during handling reduced?
A: Support positions, grip method and clamping structure are designed around the part stiffness and confirmed by testing on real parts.

Q: How is multi-face machining automated?
A: Flipping, second clamping or transfer between machines follows the process route and depends on part geometry and machine layout.

Q: Does automatic tending guarantee the sealing performance of a cold plate?
A: No. Sealing performance depends on the channel structure, machining quality, the joining or welding process and the corresponding inspection.

Q: What is the machining cycle time?
A: 68 s per part for a single machining cycle, confirmed by the business. The line output interval depends on the number of machines and the operation split, which are still to be confirmed.

Reference images

The two images below show comparable automation lines and equipment forms (including our own assembly workshop). They are not photographs of this project’s customer site; the actual configuration is subject to project assessment.

Source and verification status

Facts on this page are graded in the table below. No figure, customer name or acceptance conclusion appears without a stated origin.

Business-confirmed values come from a verbal confirmation on 21 October 2026. Machine models, machine count, material grades and dimensions are still to be confirmed from written records, and none of them has been estimated here.

Related pages

To discuss automation for similar plates, send us the plate size and thickness, material grade, flatness requirement and machine configuration.

This page follows the same 19-block structure as the Chinese version. All facts and data-scope statements from the original proposal and case manuscript are retained. Items with no record remain marked “to be confirmed”; business-confirmed values are shown separately and were not mixed into the document-derived text.