Tweezer Welder
Some welding applications don't fit well in a weld head, or require more flexibility. Hand held welding attachments allow welding of complex geometries. Also hand held attachments are less expensive than weld heads. Welding attachments are easy to use, require low maintenance, and provide a lot of flexibility for small production runs or laboratory applications. Review the information below for technical data and images of the various hand pieces available.
How We Can Help You
Advanced Integrated Technologies ( AIT ) is a resistance welding equipment and technical support provider for Nippon Avionics ( Avio ) brand of resistance tweezer welders and accessories as well as Sunstone brand tweezer welders. We can evaluate your product samples, provide free test welds, and accurately specify which equipment is best for your application. We can then provide the equipment you need at an economical price, and assist with any technical issues you encounter setting up your welding process. Submit a contact form or call us today to request assistance with your next project.
Avio Hand Piece Type Welders
The welding machine series of hand operated models are arranged to weld a difficult object that can't be welded by a fixed type weld head, like at a jamming area. No side-to-side rocking of electrodes. Operating with low power due to their compact and lightweight size.
NA-54A
| Features | NA-54A |
| Pressure Range (N) | 7.8-44.1 |
| Electrode Stroke | 10mm Max |
| Depth Dimension of Pocket | 50mm |
| Driving Method | Manual |
| Applicable Electrode | EL-125 Series |
| Dimensions (mm) | 30x195x47 |
| Weld Cable | 1500mm |
NA-54LA
| Features | NA-54LA |
| Pressure Range (N) | 7.8-44.1 |
| Electrode Stroke | - |
| Depth Dimension of Pocket | - |
| Driving Method | Manual |
| Applicable Electrode | EL-54L |
| Dimensions (mm) | 30x195x47 |
| Weld Cable | 1500mm |
NA-57A
| Features | NA-57A |
| Pressure Range (N) | 9.8-49 |
| Electrode Stroke | - |
| Depth Dimension of Pocket | - |
| Driving Method | Manual |
| Applicable Electrode | Specialized for NA-57A |
| Dimensions (mm) | 36Φ xD207mm |
| Weld Cable | 1500mm |
NA-58A
| Features | NA-58A |
| Pressure Range (N) | Manual |
| Electrode Stroke | 1mm Max |
| Depth Dimension of Pocket | 75mm |
| Driving Method | Manual |
| Applicable Electrode | Specialized for NA-58A |
| Dimensions (mm) | 24x16x157 |
| Weld Cable | 1100mm |
Sunstone Tweezer Welder Attachments
Some welding applications don't fit well in a weld head, or require more flexibility. Hand held welding attachments allow welding of complex geometries. Also hand held attachments are less expensive than weld heads. Welding attachments are easy to use, require low maintenance, and provide a lot of flexibility for small production runs or laboratory applications. Review the information below for technical data and images of the various hand pieces available.
PTHP LP - Pressure Actuated Tweezer
Hand Piece
Features:
- Opposed welding hand piece
- Accepts 3/16” electrodes
- 1 pair of RWMA II electrodes (EL187RWMA-ANG)
- Molybdenum electrodes available
- Pressure Range 0.5 – 6 lbf
- 8 AWG cabling standard
| (PTHP LP) Pressure-Actuated Tweezer Hand Piece - Low Power |
|
| Spring Force | 1 - 6 lbs |
| Electrode Size | 3/16” |
| Dimensions | .75" x 2.5" x 7" |
| Weight | .56 lb / .25 kg |
| CD Welder | 100 - 1000 (ws) |
| AWG for CD | 8 AWG |
| AC Welder (kVA) | 1.5 kVA |
| AWG for kVA | 4 AWG |
PTHP MP - Pressure Actuated Tweezer
Hand Piece
Features:
- Opposed welding hand piece
- Accepts 3/16” electrodes
- 1 pair of RWMA II copper electrodes
- Tungsten electrodes available
- Pressure Range 1 – 10 lbf
- 4 AWG cabling standard
| (PTHP-MP) Pressure-Actuated Tweezer Hand Piece - Medium Power |
|
| Spring Force | 1 - 10 lbs |
| Electrode Size | 3/16” |
| Dimensions | 1" x 3" x 6" |
| Weight | 1.3 lb / .59 kg |
| CD Welder | 100 - 1000 (ws) |
| Wire AWG | 4 AWG - 1 AWG |
| AC Welder (kVA) | 2.5 kVA |
| AWG for kVA | 3 AWG |
PTHP HP - Pressure Actuated Tweezer
Hand Piece
Features:
- Opposed welding hand piece
- Accepts 3/16” electrodes
- 1 pair of RWMA II copper electrodes
- Tungsten electrodes available
- Pressure Range 1 – 10 lbf
- 1 AWG cabling standard
| (PTHP-HP) Pressure-Actuated Tweezer Hand Piece - High Power |
|
| Spring Force | 1 - 10 lbs |
| Electrode Size | 3/16" |
| Dimensions | 1" x 3" x 6" |
| Weight | 1.4 lb / .64 kg |
| CD Welder | 1000 ws |
| Wire AWG | 1 AWG |
| AC Welder (kVA) | 5.0 kVA |
| AWG for kVA | 3 AWG |
PASP HP CP - Pressure-Activated Single
Probe Hand Piece Alligator Clip
Features:
- Pressure-actuated for repeatability
- Adjustable pressure set-point
- For hard-to-reach welds
- 1/8” RWMA II Electrode
- Large alligator clip for simple setup
- 6 AWG cabling standard
| PASP - Alligator Clip | |
| Spring Force | 1 -6 lbs |
| Electrode Size | 1/8" |
| Dimensions | 1.125" x 3.5" x 9" |
| Weight | 3.35 lb / 1.5 kg |
| CD Welder | 100-1000 (ws) |
| Wire AWG | 6 AWG |
| AC Welder (kVA) | 2.5 kVA |
PASP HP MAG - Pressure-Activated
Single Probe Hand Piece Magnetic
Features:
- Pressure-actuated for repeatability
- Adjustable pressure set-point
- For hard-to-reach welds
- 1/8” RWMA II Electrode
- Large magnetic clip for simple setup (iron base material)
- 6 AWG cabling standard
| PASP - Magnetic Clip | |
| Spring Force | 1 -6 lbs |
| Electrode Size | 1/8" |
| Dimensions | 1.125" x 3.5" x 9" |
| Weight | 3.35 lb |
| CD Welder | 300-1000 (ws) |
| Wire AWG | 6 AWG - 1 AWG |
| AC Welder (kVA) | 2.5 kVA |
PASP HP H - Pressure-Activated Single
Probe Hand Piece Honeycomb
Features:
- Pressure-actuated for repeatability
- Adjustable pressure set-point
- Honeycomb Tack Electrode (either radiused or Flat)
- Large alligator clip for simple setup
- 1 AWG cabling standard
| PASP - Honeycomb | |
| Electrode Size | 1/4” |
| Dimensions | 1.125" x 3.5" x 9" |
| Weight | 4 lbs / 1.8 kg |
| CD Welder | 1000 ws |
| Wire AWG | 4 AWG - 1 AWG |
| AC Welder (kVA) | 5.0 kVA |
SPHP - Single Probe Hand Piece
Features:
- 1/4” diameter copper shank
- 8 AWG cabling
| (SPHP) Single Probe Hand Piece | |
| Electrode Size | 1/4" |
| Weight | 0.55 lb / 0.25 kg |
| CD Welder | 200-1000 ws |
| AWG for CD | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
| AWG for kVA | 4 AWG |
DPHP - Dual Probe Hand Piece
Features:
- 1/4” diameter RWMA II copper shank
- 8 AWG cabling
| (DPHP) Dual Probe Hand Piece | |
| Electrode Size | 1/4" |
| Weight | .65 lbs |
| CD Welder | 200-1000 ws |
| AWG for CD | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
| AWG for kVA | 4 AWG |
THP - Tweezer Hand Piece
Features:
- Opposed welding hand piece
| (THP) Tweezer Hand Piece | |
| Copper Bar Size | 1.2" x 1/16" |
| Weight | .8 lbs |
| CD Welder | 200-1000 ws |
| AWG for CD | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
| AWG for kVA | 4 AWG |
PG2
Pistol Grip Hand Piece with Button Trigger. Accepts threaded electrodes.
Features:
Features:
- Easy to handle
- Conveniently placed trigger switch
| PGHP - Poke Gun Hand Piece | |
| Electrode Size | 3/8” |
| Dimensions (W x H x L) | 1” x 3” x 6” |
| Weight lb/kg | 1.3 lb / .59 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | Wire AWG 4 AWG - 1 AWG |
| AC Welder (kVA) | 2.5 kVA |
PASP HP RS - Pressure-Activated Single
Probe Hand Piece Roll Spot
Features:
- Pressure-actuated for repeatability
- Adjustable pressure set-point
- 2” copper wheel (EL-ROLL)
- Large alligator clip for simple setup
- 1 AWG cabling standard
| PASP - Roll Spot | |
| Electrode Size | 1/4” Shank |
| Dimensions (W x H x L) | 1.125” x 3.5” x 9” |
| Weight lb/kg | 1.3 lb / .59 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | Wire AWG 4 AWG - 1 AWG |
| AC Welder (kVA) | 2.5 kVA |
SPHP LP
Features:
- 1/4” diameter brass shank
- 8 AWG cabling
- Accepts 1/16” or 2mm diameter electrode
| Single Probe Hand Piece - Low Power | |
| Electrode Size | 1/16” |
| Weight lb/kg | 1.5 lb / 0.68 k |
| CD Welder (ws) | 100 - 400 (ws) |
| Wire AWG | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
SPHP MP
Features:
- 5/8” diameter brass shank
- 4 AWG cabling
- Accepts 1/8” diameter electrode
| Single Probe Hand Piece - Medium Power | |
| Electrode Size | 1/8” |
| Weight lb/kg | 2 lb / 0.9 kg |
| CD Welder (ws) | 320 - 1000 (ws) |
| AWG for CD | 4 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
SPHP HP
Features:
- 7/8” diameter brass shank
- 1 AWG cabling
- Accepts 3/16” diameter electrode
| Single Probe Hand Piece - High Power | |
| Electrode Size | 3/16” |
| Weight lb/kg | 3.5 lb / 1.6 kg |
| CD Welder (ws) | 320 - 1000 (ws) |
| AWG | 1 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
DPHP Micro
Features:
- For thermalcompression bonding
- 10 AWG cabling
| Dual Probe Hand Piece - Micro | |
| Electrode Size | 1/8” Shank |
| Weight lb/kg | 2 lb / 1 kg |
| DC Welder (ws) | DCD 320/DC-5 |
| AWG | 10 AWG |
| AC Welder (kVA) | 1.5 kVA - 2.5 kVA |
DPHP LP
Features:
- 1/4” diameter brass shank
- 8 AWG cabling
- Accepts 1/16” diameter electrodes
| Dual Probe Hand Piece - Low Power | |
| Electrode Size | 1/16” |
| Weight lb/kg | 2 lbs / 0.9 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
DPHP MP
Features:
- 5/8” diameter brass shank
- 4 AWG cabling
- Accepts 1/8” diameter electrodes
| DPHP MP - Dual Probe Hand Piece - Medium Power | |
| Electrode Size | 1/8” |
| Weight lb/kg | 2 lbs / 0.9 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | 4 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
DPHP HP
Features:
- 7/8” diameter brass shank
- 1 AWG cabling
- Accepts 3/16” diameter electrodes
| DPHP LP - Dual Probe Hand Piece - High Power | |
| Electrode Size | 3/16” |
| Weight lb/kg | 3 lb / 1.36 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | 1 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
HP RWMA Package
Hand Piece RWMA II Package includes Sunstone’s DPHP, SPHP, & THP-A weld attachments.
Features:
Features:
- Opposed welding hand piece
- 1/4” diameter RWMA II copper shank
- 8 AWG cabling
| Tweezer Hand Piece (RWMA) | |
| Copper Bar Size | 1/2” x 1/16” |
| Weight lb/kg | 2.5 lb / 0.36 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | 8 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
THP-P
Features:
- Air-actuated tweezer-style hand piece
- Force ranges: 5-50lbs
- Adjustable throat up to 1.75”
- 1” Stroke Distance
- Designed to integrate with Sunstone’s ACS
- Can use 1/8” opposed electrodes
| THP P - Pneumatic Tweezer Hand Piece | |
| Force | 5 - 50 lbs |
| Copper Bar Size | 1/2” x 1/16” |
| Weight lb/kg | 2.5 lb / 0.36 kg |
| CD Welder (ws) | 100 - 1000 (ws) |
| Wire AWG | 1 AWG |
| AC Welder (kVA) | 1.5 kVA - 5.0 kVA |
PG5M
The PG5M miniature pliers gun is the smallest in the range. Designed for use in the electronics industry, it offers a high degree of precision.
PG2W
The PG2W is a watercooled version of the PG2, allowing use under higher duty cycle conditions. Accepts threaded electrodes.
PG3W
Water cooled PG3 gun. Accepts compression electrodes.
PG EL125 - Adapter
Threaded adapter for the Poke hand pieces, accepts a 1/8th inch electrode.
PG EL187 - Adapter
Threaded adapter for the Poke hand pieces, accepts a 3/16th inch electrode.
PG EL
3/8” Diameter, Tapered Copper Electrode (threaded) for PG2 and PG1
PG EL-Roll T
2” Copper Wheel electrode, threaded fitting style.
PG EL-Roll C
2” Copper Wheel electrode, compression fitting style.
PASP 2
Pressure-Actuated Single Probe Hand Piece
PG1
The PG1 is the smallest single side gun. It can be fitted with a straight or 90 degree tip and has a built in switch. Accepts threaded electrodes.
PG1/2
The PG1/2 is the smallest single side gun. It can be fitted with a straight or 90degree tip. Triggered with a foot pedal. Accepts threaded electrodes.
PG4
The PG4 gun is designed as a series welder. This gun will apply 2 spots simultaneously. Accepts compression electrodes.
