Advanced Technology for Uniform Wall Thickness IBM Injection Blow Molding

Product Specification

A. Ultra-precision process control to ensure product consistency
Micron-level dimensional control capability: Through the "servo closed-loop control" system (response time ≤ 0.001 seconds), the control accuracy of the mold wall thickness and blow molding stretch ratio can reach ±0.02mm. For example, when producing medicinal eye drop bottles (bottle mouth diameter is only 3-5mm), the injection blow molding machine can accurately control the pitch of the bottle mouth thread (error ≤ 0.01mm) to ensure the sealing with the bottle cap (leakage rate < 0.1%), avoiding the leakage problem caused by dimensional deviation in traditional processes.
Uniform wall thickness molding technology: For special-shaped products (such as detergent bottles with handles and conical medicinal bottles), the injection blow molding machine uses the "programmable blow molding trajectory" design - the air needle in the blow molding mold can blow the mold in stages according to the preset path (such as blowing from the bottom first, and then gradually adjusting the air pressure upward), so that the wall thickness difference of each part of the product is controlled within 5% (the wall thickness difference of traditional blow molding machines is often 10%-15%), avoiding the problem of easy breakage caused by local excessive thinness (such as the shoulder and bottom of the bottle body).

B. High durability and low maintenance cost of equipment

Long-life design of core components: Key components (such as injection molding screws and blow molding mold cavities) adopt the "nitriding treatment + carbide coating" process (surface hardness of HRC60 or above), which can withstand more than 3 million injection/blow molding cycles (calculated based on 20 hours of production per day, the service life can reach 5-8 years), which is much higher than ordinary molding equipment (1-2 million cycles).
Easy-to-maintain structural design: The equipment adopts a "modular split" structure (such as the barrel, clamping mechanism, and blow molding system can be disassembled independently). Daily maintenance (such as replacing the screw and cleaning the barrel) does not require overall disassembly, and the maintenance time is shortened to 4-6 hours (traditional equipment requires 12-24 hours). At the same time, key parts (such as guide columns and oil cylinders) are equipped with automatic lubrication replenishment systems, which can automatically add lubricating oil according to the operating time (such as every 8 hours) to reduce the frequency of manual maintenance.

C. Adaptation to extreme environments and special scenarios
Adaptation to high-temperature/low-temperature raw material molding: It can process high-temperature resistant raw materials (such as PEEK, molding temperature 380-400℃, used for medical implant device packaging) and low-temperature easy-to-mold raw materials (such as HDPE, molding temperature 160-180℃, used for refrigerated food packaging bottles). For high-temperature materials, the barrel of the injection-blow machine adopts a combination of "ceramic heating ring + water cooling" (heating power can be adjusted to 15-20kW) to ensure that the barrel temperature is stable within the range of ±2℃; for low-temperature materials, the "pre-plasticization and heat preservation" design is used to prevent the raw materials from cooling and agglomerating in the barrel in advance.
Clean-grade production adaptation: Medical-grade injection-blow machines (such as the production of infusion bottles and syringe packaging) adopt a "no dead angle structure" - the equipment surface is smooth (Ra≤0.8μm), the gap is ≤0.5mm, and it can be directly connected to the clean pipeline of the workshop (such as the fresh air system of a 100,000-level clean room), and is equipped with an online disinfection function (such as ultraviolet + ozone combined disinfection, disinfection time 30 minutes/time), meeting the medical industry's requirements for "no bacteria and no particulate pollution".