TECHCON SYSTEMS TS5440 Manual de usuario

Techcon Systems

TS5440

Microshot Needle Valve

User Guide

CONTENTS

Pagenumber

1. Specifications ………………………………………………………………………………3

2. Unpacking and Inspection ………………………………………………………………4

3. Description ………………………………………………………………………………4

4. Theory of Operation ………………………………………………………………………4

5. Setup Instructions ………………………………………………………………………5

6. Typical System Setup ………………………………………………………………………6

7. Troubleshooting ………………………………………………………………………7

8. Maintenance and Cleaning ………………………………………………………………8

9. Spare Parts and Accessories ………………………………………………………………9

10. Warranty ………………………………………………………………………………11

1. SPECIFICATIONS

Size: 5.0” (127mm) long; 1.1”(28.5mm) diameter

Weight: 0.5 lb (227g)

Fluid inlet port: 1/8” NPT female

Fluid outlet port: Male luer lock

Air inlet port: 10-32 UNF

Mounting port: 10-32 UNF

Maximum fluid pressure: 100 psi (6.9 bars)

Minimum air pressure required: 70 psi (4.8 bars)

Wetted parts: 303 stainless steel, Teflon®

Operating frequency: Exceeds 400 cycles/min.

Flow rate at 100 psi (water): 900 ml/min.

Material viscosity range: Up to100,000 Cps.

Dimensions are in inches [mm]

Figure 1.0

4.44

10-32 UNF

MOUNTING PORT

[112.78]

4.75-5.00

[120.65-127.00]

10-32 UNF

AIR INLET PORT

Ø1.00[25.4]

TS5440

FAR SIDE FLUID INLET PORT

1/8 NPT

2. UNPACKING AND INSPECTION

Carefully unpack the valve and examine the items contained in the carton.

These will include:

•Valve Assembly

•Valve bracket

•Sample Needle Kit and fluid line

•Valve Air Hose

•User guide

3. DESCRIPTION

The TS5440 Microshot Needle valve is designed to dispense low to medium viscosity material with very

precise deposits over a wide range of shot and bead sizes down to a fraction of a micro liter. An internal

spring return makes the valve fully adaptable for use with Techcon Systems time/pressure controllers. A

short opening stroke provides extremely fast, positive shut-off. An external stroke control adjustment

makes it easy for the operator to fine tune shot sizes. The TS5440’s compact design allows for

mounting flexibility and easy integration into automated applications.

4. THEORY OF OPERATION

The TS5440 is a normally closed, adjustable opening, needle and seat valve. Inlet air pressure through

port (1) retracts the needle assembly (2) from the seat inside the dispensing tip (3) allowing material to

flow from the valve material inlet (4) to the dispensing tip (5). Relieving the input air pressure allows

the spring (6) to return the needle back to its position to close the material path.

Figure 2.0

OPEN POSITION CLOSED POSITION

5. SETUP INSTRUCTIONS

Refer to Figure 3.0

NOTE: This installation uses luer lock adapters shipped with the valve. Any approved material

line with 1/8” NPT connections will work.

1. If desired, mount the valve to the bracket included (1).

2. Connect fluid feed line to valve inlet port (2).

3. Insert the open end of the air hose to air inlet fitting (3) then connect the other end to an

approved valve controller.

4. Set the fluid reservoir pressure. Do not exceed 100 psi (6.9 bars)

5. Install desired dispense tip (4) to the valve outlet and secure it with the retaining ring (5)

NOTE: Recommended dispense tip size is 22-gauge or smaller. Use larger than 22-gauge

dispense tip may results in valve leakage.

6. Make sure all connections are tight

7. Place container under the valve outlet and activate the valve until the fluid flows steady.

The amount of fluid that flows through the valve is determined by:

•Flow control adjustment - Turn end cap counterclockwise to increase material flow rate.

•Length of actuation, set at controller (Valve open time).

•Fluid reservoir pressure

•Dispensing tip size

Figure 3.0

6. TYPICAL SYSTEM SETUP

TECHCON SYSTEMS TS5130

CONTROLLER OR EQUIVALENT FLUID FEED SYSTEM

TS5440

NEEDLE VALVE

PLANT AIR MUST BE PROPERLY

FILTERED AND DRY. IF NOT, SPECIFY

A 5-MICRON FILTER REGULATOR.

MATERIAL

CONSTANT AIR

PULSED AIR

TS5440

XXXX

Figure 4.0

7. TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE CORRECTION

Fluid pressure too low Increase fluid pressure

Operating pressure too low Increase air pressure to 70 psi (4.8 bars)

Dispense tip clogged or damaged Replaced tip

Fluid cured in valve chamber Clean valve thoroughly

No fluid flow

The stroke adjustment closed Open stroke adjustment counterclockwise

Fluid pressure fluctuating Make sure fluid pressure is constant

Valve operating pressure is too

low Increased valve pressure to 70 psi (4.8

bars)

Valve open time is not consistent Check to make sure the valve controller

is providing a consistent output

Inconsistent

fluid flow

Air trapped in fluid housing Purge valve

Fluid drools after the valve

closes, eventually stopping Air trapped in fluid housing Purge valve

Fluid leaks at needle hub Defective dispense needle Replace needle. Make sure to use TE

series needle only

8. MAINTENANCE AND CLEANING:

Tool required: 7/64” hex wrench; 7/16” open-end wrench; Snap ring pliers, O-ring tool.

Normally, purging the valve with appropriate flush material or solvent after use is sufficient for

cleaning. However some material may cause a buildup in the valve chamber, in this case periodic and

thorough cleaning will be required.

NOTE:

•To replace seals, please order seal kit part number: 5440-SEALKIT

•To repair valve, please order valve kit part number: 5440-VALVEKIT

CAUTION: Make sure the fluid pressure is released before disassemble the valve.

Refer to figure 5.0

1) Release fluid pressure.

2) Disconnect fluid line.

3) Disconnect valve air hose.

4) Unscrew retaining cap (1) and remove the dispense needle.

5) Remove the three mounting screw (17).

6) Pull the fluid housing (4) away from the air cylinder (11).

7) Remove the luer adapter assembly (2) from the fluid housing (4).

8) Clean and inspect the needle assembly (8), luer adapter assembly (2) for wear and

damage. Replace parts as necessary.

9) Replace O-ring (7) if necessary. Make sure to lubricate new O-ring with approved

lubricant.

10)Reinstall the luer adapter assembly (2) to the fluid housing (4).

11)Align the fluid housing (4) to the air cylinder (11) and reinstall the three mounting

screws. (Alternately tighten the screws a little at a time until they are secure.

13 14

3465789101112 1

1615 17

TS5440

XXXX

Figure 5.0

9. SPARE PARTS AND ACCESSORIES

9.1Spare Parts: The seal replacement kit, part number = 5440-SEALKIT, includes:

FLUID INLET FITTING

O-RING (5)

O-RING (8)

MYLAR WASHER (16)

O-RING (10)

NYLON WASHER (9)

CUP SEAL (27)

O-RING (11)

5440-SEALKIT

REPAIR KIT, NEEDLE VALVE

The valve repair kit, part number = 5440-VALVEKIT, includes:

5440-VALVEKIT

REPAIR KIT, NEEDLE VALVE

FLUID INLET FITTING

LUER ADAPTER (2)

RETAINING RING (10)

NEEDLE ASSEMBLY (4)

RETAINING RING (6)

SEALKIT

MOUNTING SCREWS (17)

Figure 6.0

9.2 Standard Accessories:

9.3 Optional Accessories:

The flowing three components are needed to make a bench mounting stand:

PART NUMBER DESCRIPTION

918-033-000 Production master stand

918-000-012 Rod Clamp

5620-000-008 Mounting rod

PART NUMBER DESCRIPTION

918-000-048 Bracket

9000-000-112 Sample needles kit

TSD126-360BK Black fluid line

TE SERIES NEEDLE

PART NUMBER Gauge Hub Color ID(in)

TE722050PK 22 Blue .016

TE723050PK 23 Orange .013

TE725050PK 25 Red .010

TE727050PK 27 Clear .008

TE730050PK 30 Lavender .006

TE732025PK 32 Yellow .004

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