Dongguan Ruida Machinery Co. ltd

Dongguan, China

We are offering plastic hopper dryer. Thd series hopper dryers offer an effective and low-cost method for plastic material drying, hot air is used to dry wet material drying, hot air is used to dry wet materials due to moisture absorption during packaging, transportation, and recycling, they can be directly mounted on the moulding machine for quick drying and space saving, for this series, hot air blows event form botton to the top (both thd-800 and thd-1000 have down-blowing air pipe and accessible door for easy material clearance) of the hopper with capacity ranging from 12kg to 1000kg, all models can be supplied with optional 24 hours auto startstop timer. features: 1. Adopt hot air diffuser to gain an even hot air flow to improve drying efficiency; 2. Unique hot air inlet elbow design can prevent dust pilling up at bottom of the pipe heaters so to avoid buring; 3. All material contact surfaces are made of stainless steel to eliminate mateterial contamination; 4. Separable hopper base provides easy access to hopper tank for the convenience of material changing and cleaning; 5. Proportional deviation indicative temperature controller for accurate temperature control; 6. Overheat protection to prevent accidents by human error or machanical faults; 7. Overheat indicating light, motor contactor and overload relay are equipped standard; 8. Quick cooling blower and outfitted power switch; 9. Preheat timer and double insulated hopper are available as options; 10. More optional accessories: "l" "a" type floor stand, dried-material suction box, hopper magnet, magnetic base, hot air recycler, hot air recycler, blower inlet filter, exhausted air filter, and cyclone dust separator.

We are offering water chiller. The rd-w series of water-cooled water chillers use a single closed-loop design for pressurized refrigerant.all models are equipped with compressor and motor overload protection, phase shortage and reversal alarms, anti-freeze thermostat, pressure gauges, etc.they feature excellent performance and a long life span.the series of working flow is based on the basic principle of heat exchange.it is applicable to the industry that requires flow of precisely controlled chilled water, and considered as indispensable equipment for modern industry. Feature .cooling capacity from 7℃-35℃. .stainless insulated water tank and anti-freeze thermostat. .r22 refrigerant used as standard for efficient cooling. .refrigeration loop controlled by high and low pressure switches. .compressor and pump overload relays. .tube-in-shell condenser design for quick heat transfer and excellent heat radiation. .tube-in-shell evaporator for excellent cooling.

We are offering hopper weighing machines. Weighing type mixing machine sgb series weighing mixer adopt the latest single-chip microprocessor more powerful function higher speed and stronger anti jamming capability. It hasâ auto compensation ability when start machine can automatically calibrate .it isâ mostly applied in plastic ejection extrusion extrusion mix exact proportionâ to mold plastic features: adopt single-chip microprocessor design more powerful function smaller size and good anti interference ability use eeprom data will not be lost when power off battery free. 3d interface state contact controller easy use can store lot of formula data(500set) high speed high accuracy ad catch material more more stable all material will be weighed then mix strictly control precision recheck the weighed data and material ensure the precision and accuracy can directly install it on molding machine but need to choose and buy base of mixer when install on the floor need to buy pneumatic material-stop valve foot stool storage bunker and material-inhale box.

We are offering compact dryers. All-in-one compact dryers the tcd series âall-in-oneâcompact dryers combine drying, dehumidifying, and two-stage conveying function in a single unit, they are suitable for drying arthroscopic engineering plastics, such as pa, pc, pbt, pet, etc. A honeycomb rotor is used in the dehumidifying section. Features: 1. Tcd series compact dryers are equipped with honeycomb rotor for dehum, they have two kinds of design: fully-integral and semi-integral depending on the size; 2. Suitable for drying hygroscopic engineering plastics such as pa, pc, pbt, pet, rtc; 3. Integrated of dehumidifying, drying, and two-stage conve functions in a single unit, three-stage conve is also available as an option; 4. Insulated drying hopper features dry air down-blowing and cyclone exhaust design, this improves drying efficiency and reduces energy consumption which maintaining a steady drying effect; 5. Closed-loop conveying system eliminates the possibility of moisture re-absorption during air temperature and low dew-point; 6. The dehumidifying section of tcd series features two condensers to ensure a low return air temperature and low dew-point; 7. Equipped with pneumatic shut-off valve to ensure no material remains in the material line after each loading cycle; 8. Material processing is controlled via microprocessor as standard with touch screen plc control as an option for centralised and automatic operation; 9. Dew-point monitor can be fitted to monitor and display dry air dew-point;

We are offering mould sweat dehumidifiers. Water heaters the tm-w series of water heaters used to heat up the mould and maintain this temperature. Besides, they can also be used in other similar applications. High temperature water from the mould is cooled by direct cooling and then sent to the pipe heaters via high-pressure pump for heating to a constant temperature. With our optimised design, water can reach a maximum of 120°equipped and the accurate pid multi-stage temperature control system can maintain an accuracy of ±1°. Features: 1. Pid multi-stage temperature with accuracy±1°; 2. Multiple safety devices can automatically detect cooling and indicate this via visible alarm; 3. Accurate temperature control achieved by direct cooling and quick heat transfer by automatic water supply facility; 4. Inner parts made from stainless steel to ensure corrosion-free operation; 5. Attractive appearance, easy to access and maintain. Applicable scope: heaters are used to heat the mould and maintain this temperature. Beside, they can also be used in other similar applications.

Volumetric Dosers The SCM series volumetric dosers are suitable for auto-proportional mixing of new material, regrind, master batch and additives, A brush less DC motor is used in this series, The microprocessor accurately controls rotation of the high precise dosing screws to squeeze out materials with an accuracy of +-1% form set point, A gear motor with deceleration ratio of 30: 1 or 100: 1 is corrupt ranging screw of six models with output ranging form 0.1-32 kg hr, Double color doser can be supplied to match with two single color doser if required by clients. Features: 1. Everlasting data memorizer and setting storage; 2. Use brushless DC motor and free from maintenance; 3. Microprocessor control, intelligent and accurate in calculation; 4. External signals can be directly interfaced with the control box; 5. Dosing screws are chrome plated for durability; 6. Unit is comprised of standard modules for ease of cleaning, dis-assembly and interchangeability; 7. Three-tubes hopper magnet is equipped at the base of the single color doser to absorb metal impurities so to prevent the screw of moulding machine form damage; 8. Single color doser takes base blender as an option to make blending more evenly; 9. Blender built-in a standard accessory for double color doser and it can meet client's need for double blending; 10. Main material hopper is a standard accessory for double color doser, It is optional for single color doser