Cabinet digital factory AGV logistics system
The following information is the design input as the basis for designing, manufacturing and commissioning of the project. Details as follows:
1.1Workshop floor plan, as shown below:

1.3 Cabinet digital factory AGV logistics system line cycle time and planning mode
1)Slitting line, cut-to-length line & sheet metal line planning: 3 shifts /day
2)Profile forming line, frame welding line, panel welding line, spraying line, stereoscopic storage and assembly line: 1 shift/day
1.4 feeding and discharging mode:
1)Slitting line
A. feeding: manual loading
B.material source: outsourced
C. material form: coil
D.discharging mode: manual
E. discharging position: cut-to-length line & profile forming line.
F. discharging form: coil
2)Cut-to-length
A.feeding: manual loading
B.material source: slitting line
C.material form: coil
D.discharging form: manual + fork lift
E.discharging position: sheet metal form & Outsourcing factory
F.discharging way: tray. 3T full load maximum. See following pictures

G.work piece number on each tray.
Stacking number of each product type: all stored in 260mm position. 1 side panel: 90.
2.Top panel: 420.
3.Bottom panel: 270
4.Left door: 240
5.Right door: 240
6.Front door: 150
3)profile forming line
A. feeding mode: manual loading
B. feeding source: slitting line
C.material form: coil
D.discharging form: manual pulling material rack
E.discharging to: frame welding line
F.discharging material form: in rack. Work piece vertically placed. See below pictures.

4)sheet metal line
A.Production mode: 30 pieces production planning of each work piece. Cycle time as the following picture
1.Side panel: 28s.
2.Top panel:30s
3.Bottom panel: 38s
4.Left door: 64s
5.Right door: 72s
6.Front door:69s
Each cycle time time for 30-piece batch
1.1140s/19min
2.900s/15min
3.1140s/19min
4.1920s/32min
5.2160s/36mi
6.2070s/34.5min
7.Note: each cabinet requires 2 side panels. So the side panels time: punching/cutting/folding 38min. Total 17.5min for 30 cabinets. 5.8min each cabinet.
B.feeding mode: manual loading
C.feeding from: cut-to-length line & outsourcing factory
D.material form: tray
E.Discharging way: AGV
F.discharging to: sheet metal storage
G.discharging form: material rack. Work pieces horizontally stacked. Material rack structure as the following picture.

5)frame welding line
A.production mode: complete set production
B.feeding mode: frame profile on material rack manually delivered. Other parts AGV delivered from part stereoscopic warehouse
C.feeding from: profile forming line (frame profile) & stereoscopic warehouse.
D.material form: frame profile & other parts
E. discharging form: manual hanging
F.discharging to: spraying line
G.Discharging structure: conveyor line
6)ace panel welding line
A.production line mode: complete set production
B.Feeding method: AGV
C.feeding from: sheet metal material storage (sheet metal), stereoscopic warehouse (other parts)
D.feeding form: panels and other parts.
E.discharging way: manual hanging
F.discharging to: spraying line
G.Discharging structure: conveyor line
7)spraying line
A.production mode: complete set production
B.feeding method: manual hanging
C.feeding from: frame welding line & panel welding line
D.feeding structure:complete set feeding
E.discharging mode: manual unhook
F.discharging to: assembly line
G.Discharging way: complete set
8)assembly line
A.production mode: complete set production
B.Feeding mode: panel manual unhooking & other parts by AGV
C.feeding from: spraying line and stereoscopic warehouse
D.feeding structure: panel complete set, other parts in trays
E.discharging way: manual fork lift
F.discharging to: finished product temporary storage
G.discharging structure: single finished product discharging
9)stereoscopic warehouse
A.feeding mode: manual fork lift
B.Discharging mode: AGV
C.Tray size: big tray 2500×800mm. Small tray 1200×800mm.
1.5 All materials transfer vehicles (including racks and trays) shall be designed by Party B and 1 piece each specification shall be produced for the purpose of production line commissioning.
2 Cabinet digital factory AGV logistics system  process & cycle time analysis
2.1 process analysis
According to the current production mode: slitting line, cut-to-length line and sheet metal line planning: 3 shifts/day. Profile forming line, frame welding line, panel welding line, spraying line, stereoscopic warehouse and assembly line: 1 shift/day. Therefore, the products from the first two shifts of sheet metal line needs to be stored in the sheet metal storage. And at the 3rd shift, the whole work shop works together.
Finished product cycle time: 2min/set
2.2cycle time analysis
detailed cycle time analysis as shown in the following tables:

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3  Cabinet digital factory AGV logistics system Main configuration list
sheet metal line robot feeding

Logistics system

KUKA robot  KR180 R3200PA
feeding tooling schematic
feeding rack
Network Architecture AGV safety system
AGV safety system	To make sure safety during AGV running, especially safety of the the personnel and equipment on site, multiple levels of safety measures are taken. Once malfunction happens, AGV signal alarm using light and sound and and the same time notifies the AGV monitor system using radio communication system. AGV monitor system displays the current status and text hints on the control table. Monitor staff can direct field operator to fix the problem. And the malfunctioned AGV can be manually steered away from the working area to a safe zone by a portable control box.
Tray palletizer
Tray conveyor line