Household Glassware Machinery
Versatile automatic glass blowing machine for light bulb housings, decorative glass balls, bottles, and custom hollow glassware. Quick mold changeover, adjustable blowing parameters, PLC control.
The SM-J21A Automatic Glass Blowing Machine is a versatile glass forming machine designed for the production of hollow glass products including light bulb housings, decorative glass items, and custom glassware. It uses a precision rotary mechanism and adjustable blowing parameters to produce consistent glass shapes across a range of mold configurations.
The SM-J21A is well-suited to small-to-medium production runs where product variety and quick mold changeover are important.
| Parameter | Value |
|---|---|
| Machine Type | Automatic glass blowing (rotary) |
| Control System | PLC |
| Blowing Parameters | Adjustable pressure and cycle timing |
| Mold Type | Product-specific (changeable) |
| Integration | Compatible with downstream annealing |
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The SM-J21A is optimised for smaller-to-medium production volumes with a focus on product flexibility and quick mold changeover. The SM-J70 is a multi-station machine built for continuous high-volume output. Both produce similar product types.
The SM-J21A produces hollow glass items including light bulb housings, decorative balls, glass bottles, and custom shapes determined by the mold. Sea Melody can supply custom molds for non-standard profiles.
Yes — blowing pressure and cycle timing are fully adjustable through the PLC control panel to suit different glass types, wall thicknesses, and product shapes.
Standard lead time is 40 working days from order confirmation, as each machine is manufactured to order. For custom or modified machines, allow approximately 60 working days. Contact us for a specific timeline based on your requirements.
Yes — Sea Melody can engineer custom molds and adapt machine parameters for non-standard glass products. Visit our Custom Orders page.
Sea Melody provides 24/7 remote support with a 5-minute response time, online video commissioning, operation manuals, and spare parts supply. See our After-Sales Support page for full details.
This machine is designed and manufactured by Nantong Sea Melody Industrial Co., Ltd, a specialist glass machinery manufacturer based in Nantong, China, with over 24 years of experience. Sea Melody machines are currently operating in 35+ countries across pharmaceuticals, laboratory, and household glassware industries. All Sea Melody machines are produced under an ISO 9001:2015-certified quality management system. Learn more about Sea Melody →
Our team can provide full specs, custom configurations, and fast quotes. We ship to 35+ countries.
Questions about installation or ongoing maintenance? Visit our After-Sales Support page.
Need a custom configuration? Explore Custom Orders.
Want to know more about us? Learn about Sea Melody.
