Whether you are bonding windshields, potting sensors, or dispensing grease into bearings, this model set provides a proven solution. Its 40mm bore and 21mm stroke hit the volumetric sweet spot for hundreds of applications. With proper maintenance—seal replacements, clean air supply, and periodic calibration—a single Bianka 40/21 can outlast the production line it was originally installed on.
| Symptom | Possible Cause | Solution | |--------|----------------|----------| | Inconsistent shot size | Worn piston seals | Replace seal kit (AMS part #B21-40-SEAL). | | Material leaks from rear | Damaged rod seal | Disassemble, inspect rod for scoring, replace seal. | | Slow cycle rate | Low air pressure or clogged exhaust | Increase pneumatic pressure to 5 bar, clean silencers. | | Cavitation (air bubbles) | Insufficient feed pressure or material de-aerated | Increase reservoir pressure to 1.5 bar, vacuum-degas material. | | No dispense, but piston moves | Broken check valve or blocked nozzle | Remove nozzle, clean valve ball and seat with solvent. | ams bianka model set 40 21
Always use AMS-certified seals and pistons. Aftermarket parts often have slightly different tolerances, leading to leakage or scoring. Whether you are bonding windshields, potting sensors, or
| Model Set | Bore (mm) | Stroke (mm) | Volume per stroke (mL) | Best for | |-----------|-----------|-------------|------------------------|------------| | Bianka 25/10 | 25 | 10 | ~4.9 | Micro-dispensing, small dots | | Bianka 32/15 | 32 | 15 | ~12.1 | Medium beads, gaskets | | | 40 | 21 | ~26.4 | General industrial, adhesives | | Bianka 50/25 | 50 | 25 | ~49.1 | High-volume filling, grease | | Symptom | Possible Cause | Solution |
$1,800 – $2,500 USD for the complete set (depending on seal material and nozzle configuration). Refurbished units can be found for $900–$1,400.