Pneumatic Jewelry Engraver GraverMach AT

Master complex stone setting, fine bulino shading, and deep metal engraving with seamless hand or foot activation. The GraverMach AT Pneumatic Jewelry Engraving System (Model: HH-G03) features advanced dual-control technology, allowing bench technicians to modulate pneumatic impact strokes either through traditional foot pedal control (0-60 PSI) or direct handpiece pressure modulation (0-30 PSI). Built into a heavy-duty stainless steel chassis with dual handpiece quick-connect ports and an auxiliary air outlet, it delivers precise stroke frequency from 400 to 8,000 SPM for professional jewelry production.

Why Choose the GraverMach AT (HH-G03) Pneumatic System

• Dual Hand & Foot Activation (Handtact® Technology): Enables bench operators to execute strokes via traditional foot pedal control (0-60 PSI) or seamless hand-touch activation (0-30 PSI) for unmatched ergonomics during intricate scrollwork.

• Dual Handpiece Ports + Auxiliary Air Line: Outfitted with two primary impact handpiece connections plus a rear auxiliary air outlet (AUX) to power secondary air tools such as rotary micromotors or chip blowers.

• Wide Impact Speed Spectrum (400–8,000 SPM): Front-panel speed control dial regulates impact stroke pulse rates from fine bulino stippling to heavy background metal carving.

• Throttle Bias & Air Regulation Control: Features a dedicated throttle bias adjustment knob to fine-tune initial stroke response, paired with dual pressure gauges for real-time monitoring.

• Universal Voltage Input (100V-240V): Supports worldwide studio power standards (220V 50Hz / 110V 60Hz) with an intelligent internal power conversion module.

Technical Specifications & System Architecture