PRODUCT

Auger

Auger

The 794 Series auger valve makes precise, repeatable deposits without damage to the metal alloy particles in fluids such as solder paste and silver epoxies. For highly abrasive fluids such as thermal interface materials (TIM), use the 794-TC Auger Series with tungsten carbide wetted parts.

Using screw feed principles combined with precision time and pressure controls, the 794 Series system ensures consistent deposits while eliminating damage to particle-filled fluids. It is available with two motor types – brush or brushless. The brushless motor is ideal for high speeds and high cycle rate microdot dispensing. The 794 Series also includes a sliding head/footed tip feature that maintains a consistent dispense gap when applying fluids to surfaces with irregular heights.

The 794-TC Series auger valve system is designed to make precise, repeatable deposits of thermal interface materials and other highly abrasive pastes. It’s designed with a brush motor ideal for lines and stripes with dispense cycle rates up to 60 to 90 shots per minute. The valve’s tungsten carbide construction provides long valve life.

The 794 / 794-TC Series auger dispense valves can be supplied with solder paste or thermal compounds from prefilled syringe barrels or cartridges.

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Description

 

794 series
Specifications
Item Product
Size 237.4 mm length × 31.7 mm diameter (9.35×1.25″)
Weight 554.0 g (19.2 oz)
Auger speed (dry) 250-500 RPM based on voltage input
Auger pitch 8,16
Input voltage 12-24 VDC (<10% ripple)
Maximum acceleration 2.0 g (0.07 oz)
Maximum continuous current SR & FR – 240 mA
SB & FB – 670 mA (Time delay fuse recommended)
Input air pressure 0-2.07 bar (0-30 psi)
Maximum fluid pressure 2 bar (30 psi)
Fluid inlet 304 stainless steel,#10-32 UNF × 5/32″ (Optional push-in fitting: polypropylene)
Mounting 10-32, low profile
Fluid body 440C hardened stainless steel
Auger 440C hardened stainless steel
Approvals China RoHS
Warranty 1 year,limited
794-TC series
Specifications
Item Specification
Size 61.0L × 32.0DLA mm (2.40L×1.25DLA”)
Weight 470 g (16.6 oz)
Auger speed (dry) 170-400 rpm based on voltaage input
Auger pitch High flow (double pitch), ultra high flow (single pitch)
Input voltage 10-24 VDC (<10% ripple)
Maximum acceleration 2.0 g (0.07 oz)
Maximum continuous current 240 mA (Tim delay fuse recommended)
Maximum fluid pressure 2.0 bar (30 psi)
Fluid inlet 1/8″ ID tubing supplied for connection
Mounting 10-32, low profile
Luer lock tip adapter assembly 303 stainless steel
Fluid inlet tube 303 stainless steel
Fluid cartridge liner Tungsten carbide
Auger Tungsten carbide
Approvals China RoHS
Warranty 1 year,limited