VD 248 Vertical-Dryer

VDH2481

No. of heating circuits:

Capacity:

248 pcbs
2.5 – 3 pcbs per min., depends on the requested hold-on-time

min.

max.

Pcb size:
Pcb thickness:

300 x 350 mm
0.3 mm

610 x 610 mm
4.2 mm

Heating length:
Cooling length:
Connection load:
Continuous load:

7.20 m
1.20 m
112 KW
62 KW

Length

Height

Width

Dimensions:

12.04 m

2.55 m

2 m

Incl. in- and outfeed:

13.54 m

Painting:

RAL 7035 light- gray

Frame:

IC 198 blue

A) Function:

The pcb runs in automatically and is centered.
The grippers of the loading arm take the pcb on its upper edge (6 mm). The pcb is hold by the grippers. The loading arm moves upwards to hang the pcb into the clamps of the dryer. Whilst hanging, the pcb passes the drying process consisting of 4 heating zones and a separate cooling zone. On the outfeed the second loading arm moves upwards to take the pcbs off the clamps and put them on the outfeed belt.

B) Temperature:

Tack drying

Thermal Cure

Ramp up:

12 Min.

15 Min.

Hold on:

25 Min.

60 Min. approx. 150 pcbs/hour

Cool down:

12 Min.

15 Min.

The dryer has four heating zones.
When leaving the heating zones the temperature on the pcb is about 150°C (thermal cure) After leaving the temperature goes down. The pcb is being supplied with hot air to prevent condensation. The pcb passes the cooling zone. The temperature on the pcb is slowly run down such as to make the pcb leaving the dryer at about 30°C.

C) Advantages:

• No subject to the pcb size
• Special clamp for thin pcb material 0.1-2.4 mm
• Excellent temperature distribution on pcb
• No condensation
• Visualization of process on pc
• Temperature control of each zone on both sides
• No buckling or distortions
• Extendable at any time

D) Options/ Alternatives:

1. Double-track drying allows pcbs to be dried side by side

2. Shuttle dryer – with additional infeed for screen printing pcbs

Types of vertical dryers/ Specifications:

Type	Holding time	Duration	Capacity pcb/min.	Dryer length	Heating length	Total length	No. of heating zones	Connection/ continuous load kW
VDH 144 PDF here	45 min. 60 min.	102 min. 120 min.	1.4 1.2	8080 mm	3275 mm	9580 mm	2	68/38
VDH 196 PDF here	45 min. 60 min.	85 min. 106 min.	2.3 1.85	10060 mm	5255 mm	11560 mm	3	92/50
VDH 248 (PDF: See below)	45 min. 60 min.	78 min. 100 min.	3.15 2.5	12040 mm	7235 mm	13540 mm	4	112/62
VDH 300 PDF here	45 min. 60 min.	75 min. 94 min.	4.0 3.2	14020 mm	9215 mm	15520 mm	5	130/72
VDH 352 PDF here	45 min. 60 min.	72 min. 90 min	4.9 3.9	16000 mm	11195 mm	17500 mm	6	150/83

Adeon Technologies

VD 248 Vertical-Dryer

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