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DVWI-1 Digital Vacuum Wax Injector by Semsons Tech — the semi-automatic tabletop wax injection machine producing wax patterns for lost-wax investment casting. Dual temperature control (separate nozzle and pot thermostats) ±0.2°C accuracy ensures consistent wax flow. Vacuum chamber prevents air bubbles delivering complete mold-cavity fill. Auto-clamp + programmable injection/vacuum/hold timers support consistent production cycles. Memory function stores 10 mold-specific parameter sets. Compatible: all Ferris/GRS/SRS injection wax variants; gold, silver, platinum casting workflow. Temperature range 40-100°C. Wax capacity ~3.5kg. Indian pricing ₹65,000-1,80,000. Same-day dispatch from Mumbai and Rajkot warehouses. JMA Award-winning supplier since 1978.
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Wax pattern quality fundamentally determines casting quality — incomplete mold-fill creates wax patterns missing detail; air bubbles in patterns create casting porosity; temperature variation creates inconsistent wax flow and pattern variability. Traditional pressure-only wax injectors produce acceptable patterns for simple geometry but struggle with complex multi-stone settings, filigree, and intricate designer detail where air bubbles trapped in mold cavities create defective patterns. The DVWI-1 Digital Vacuum Wax Injector addresses these failure modes through engineered automation: vacuum chamber evacuates air from mold cavity before wax injection (delivering bubble-free patterns), dual digital temperature controllers maintain ±0.2°C accuracy at both nozzle and wax pot (eliminating temperature-variation defects), auto-clamp mechanism delivers consistent clamp pressure across cycles, and programmable injection/vacuum/hold timers support reproducible production workflow. The memory function stores 10 mold-specific parameter sets — operators select stored recipe matched to current mold, eliminating parameter-input variability across batches.
For 48 years, Semsons Tech has supplied the Indian jewellery manufacturing industry. The DVWI-1 is the production-default semi-automatic wax injector for designer ateliers producing bespoke commission work, casting houses with moderate daily volume (100-500 pieces), lab-grown diamond brand mount production operations, training institutes building production-grade curriculum equipment, and CMT operations requiring consistent wax pattern quality for downstream casting.
Dual Temperature Control with ±0.2°C Accuracy: Separate digital thermostats for wax pot (bulk wax storage) and injection nozzle deliver precision temperature control independent at each stage. Why this matters: wax viscosity is temperature-dependent; consistent injection temperature ensures consistent mold-fill behavior across production cycles. Single-thermostat budget injectors create temperature drops at the nozzle during injection causing viscosity variation and inconsistent patterns. Operating range: 40-100°C supporting standard injection wax (65-75°C) and specialty/white wax (90-100°C).
Vacuum Chamber Prevents Air Bubbles: Vacuum mode evacuates air from rubber mold cavity before wax injection begins. Critical for: complex multi-stone settings (air bubbles trapped near prong cavities create defective patterns), filigree designs (fine geometry traps air without vacuum), intricate designer pieces requiring complete mold-cavity fill. Vacuum time programmable 0.01-99 seconds matched to mold complexity. Without vacuum, complex designs require multiple injection attempts to achieve acceptable patterns.
Auto-Clamp Mechanism with Programmable Force: Pneumatic auto-clamp closes rubber mold around wax injection nozzle with consistent clamp pressure — eliminates the variable manual clamp pressure that creates wax pattern variability in budget alternatives. Programmable clamp force matches different mold types via memory function. Clamp opens automatically at cycle end allowing rapid mold cycling.
10-Slot Memory Function for Mold-Specific Parameters: Stores 10 combinations of injection parameters (primary pressure, secondary pressure, timer settings, clamp pressure, hold time). Workflow advantage: operations producing multiple mold types switch between recipes via single button-press; eliminates parameter-input errors and inter-operator variability. New molds programmed during initial setup with optimised parameters via trial cycles.
Two-Stage Injection — Primary + Secondary Pressure: Two-time injection (Press 1 primary + Press 2 secondary) minimises wax shrinkage versus single-injection budget alternatives. How it works: primary pressure fills mold cavity; secondary pressure compensates for wax shrinkage during cooling; result is dimensionally accurate patterns matching master model. Critical for ring production where dimensional accuracy determines downstream resizing requirements.
Standby Timer with Heating Schedule: Programmable 1-99 hour delay timer activates heating cycle ahead of operator arrival. Production efficiency: operator arrives at workshop with wax already at injection temperature — no morning warmup wait; eliminates 30-60 minutes daily warmup time. Useful for high-volume operations where every production hour matters.
Compact Tabletop Design with High-Pressure Cast Cylinder: Compact footprint suits workshop bench positioning; high-pressure cast wax cylinder delivers superior density and sealing versus welded alternatives — supports operational longevity and consistent pressure delivery across 10+ year operational life.
| Technical Parameter | Specification |
|---|---|
| Model | DVWI-1 — Digital Vacuum Wax Injector (semi-automatic tabletop) |
| Technology | Digital vacuum wax injection with dual temperature control + auto-clamp + memory function |
| Temperature Control | Dual digital thermostats (separate for wax pot and injection nozzle); ±0.2°C accuracy |
| Temperature Range | 40-100°C (supports standard injection wax 65-75°C + specialty/white wax 90-100°C) |
| Wax Tank Capacity | ~3.5kg — supports 6-8 hour autonomy at typical production rate |
| Vacuum System | Vacuum chamber evacuates mold cavity before injection; programmable vacuum time 0.01-99 seconds |
| Injection System | Two-stage injection (Press 1 primary + Press 2 secondary); minimises wax shrinkage; programmable pressure |
| Injection Time | Programmable in 0.1 second increments |
| Hold Time | Programmable; allows wax cooling before clamp opens |
| Auto-Clamp | Pneumatic auto-clamp with programmable clamp force; eliminates manual clamp pressure variability |
| Memory Function | 10 mold-specific parameter sets stored (pressure, timer, clamp, hold combinations) |
| Standby Timer | 1-99 hour programmable heating schedule (pre-warm before operator arrival) |
| Wax Cylinder | High-pressure cast cylinder — higher density and superior sealing vs welded alternatives |
| Power | 550W |
| Power Supply | 220-240V single-phase 50Hz (Indian workshops); 110V variants for export markets |
| Compressed Air Supply | External air compressor required (typical 6-8 bar workshop supply) — for pneumatic clamp and vacuum system |
| Form Factor | Compact tabletop / bench-top design |
| Compatible Wax Variants | All standard injection wax (Ferris Magna-Ject, GRS, SRS, Castaldo) + specialty harder/white waxes |
| Compatible Casting Metals (Downstream) | Gold (10K-22K — yellow/white/rose), silver (sterling + 925), platinum, palladium, brass, copper |
| Production Throughput | 60-150 patterns/hour (operator-dependent) — semi-automatic workflow |
| Indian Market Pricing | ₹65,000-1,80,000 depending on configuration variant |
| Warranty | 1-year manufacturer warranty including free technical support and spare parts |
| Installation | On-site installation and operator training by Semsons authorized technician |
| EMI Financing | 6-18 months through partner financial institutions |
| Companion Products | Wax Beads (Ferris/GRS/SRS premium injection wax), Vulcanizer (rubber mold creation), air compressor |
| Service Network | On-site service across 16+ Indian cities via 450+ dealer network |
| Export Markets | UAE, USA, Canada, Hong Kong, Bangkok, Saudi Arabia, UK + 25 more |
| Supplier | Semsons Tech — JMA Award-Winning, Since 1978 |
For pricing across configuration variants, complete starter bundle (DVWI-1 + wax + compressor + training), EMI financing 6-18 months, multi-machine bundle pricing for moderate-volume operations, complete workflow bundle pricing combining DVWI-1 with paired equipment (Wax Beads premium injection wax, Vulcanizer for rubber mold creation, downstream Investment Powder Mixer + Burnout Furnace + Vacuum Casting Machine + Tree Cutting Machine + complete finishing equipment), international export, or technical consultation, WhatsApp our sales desk on +91 98216 12340 or wholesale on +91 80823 38010. Pair with the complete Semsons jewellery production workflow ecosystem across upstream Wax Beads + Vulcanizer, casting (Investment Powder Mixer, Burnout Furnace, Induction Melters, Vacuum Casting Machine, Water Jet Machine, Tree Cutting Machine), finishing (Foredom Motors, Polishing Machines, Electro Polishing Machine, Tumbler Polishing Machine, Filing Table), welding (Earring Post Welding Machine), cleaning (Ultrasonic Cleaner + Diamond Bright Solutions), and plating (Rhodium Plating Machine + plating solution ranges). Same-day dispatch from Mumbai and Rajkot warehouses across 16+ Indian cities.
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