Yuhuan CNC Machine Tool Co., Ltd.

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DDG synchronous loading and unloading solution

DDG is suitable for products that require high precision, high planarity, and high parallelism in the thickness direction, as well as rapid thinning, such as mobile phone frames, front and rear covers of mobile phone glass, and front and rear covers of watch glass. DDG high-speed grinding processing requires high-speed and precise material loading without stopping the machine. This case uses a four-axis robot as a basis to build functional modules such as encoder tracking, visual photo correction, and material feeding abnormality alarm to achieve fast and accurate material feeding. The material feeding stability can reach 99.9%, completely replacing the existing manual material feeding.

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Typical processed parts

Equipment highlights

Main Technical Parameters

Project	Parameters	Project	Parameters
Secondary Positioning Repeatability	±0.1mm	Robot Cycle Time	≦5.0s
Single Product Loading Accuracy	±0.2mm	4 Product Loading Accuracy	±0.5mm
Single Product Loading Cycle Time	5s/piece	4 Product Loading Cycle Time	1.25s/piece
Compatible Products	Smartphones, smartwatches, automotive parts, etc., with double-sided thinning needs

The DDG synchronous feeding and unloading solution solves the accuracy of feeding, space efficiency, and flexible needs in high-beat production through three technological breakthroughs: position synchronous control, parallel mechanism design, and intelligent scheduling algorithm. In the future, it will further integrate visual real-time feedback and AI scheduling to evolve towards "zero-intervention adaptive production." Specific scheme selection needs to be comprehensively evaluated in combination with workpiece characteristics (size/weight/material) and production line cycle time.

Four-axis robot with single suction cup claw
Single loading cycle time 5s
Single loading of 1 product
Loading cycle time: 5s/piece
Turntable hole gap requirement: ±0.2mm

Four-axis robot with 4-station suction cup claw
Single loading cycle time 5s
Single loading of 4 products
Loading cycle time: 1.25s/piece
Turntable hole gap requirement: ±0.5mm