This classification mainly includes the aluminum die casting Machinery Parts using in Excavator Components area. Die Casting Excavator Parts,Die Casting Excavator Components,Al Die Casting Excavator Components NINGBO ZHENHAI BOLANG METAL PRODUCTS FACTORY , https://www.casting-part.com
From the part, we can easily find that the parts have a lot of features of big cavities, so the part will have big potential risk of mold release problem, if so, the part may happen to be deform, sticking to the mold etc, especially when the part sticking to the mold, if no clear in time, while next shot, the mold may be destroyed while clamping.
Normal raw material: ADC12,A380,YL102
Process Technology: Low-pressure casting,Shot Blasting,NC Machining,Spray Coating
Product Dimensions: Customized
Casting General Tolerance: Grade GBT6414-CT8
Flow Processes: Die casting, Degating to remove the residual of the gate, Polishing and Deburring to remove the burrs, Polishing to remove the parting line, flash,CNC Turning, Cleaning, Packaging, Storaging, Shipping
Control Measure: Incoming Material Test, First Article inspection, Routing inspection, Final item inspection, and Outgoing quality control
Inspection Equipment: CMM, Caliper, Plug Gage, Screw Gauge
Application: Machinery Parts
Certificate: IATF16949:2016,ISO14001:2015,ISO45001:2018
Lead Time: 30-35 days
Trade Term: FOB Ningbo
Precautions when fish fry ponds
First, timely stocking. About 3-4 days after hatching, the fry have fully inflated swim bladders and are capable of swimming and feeding normally. At this stage, they should be stocked into the pond immediately. If stocked too early, their activity and feeding ability will be weak, causing them to sink to the bottom. If stocked too late, the yolk sac may already be absorbed, leading to malnutrition, weakened constitution, and lower survival rates.
Second, netting. One or two days before stocking, use a fine-mesh net to remove harmful insects, frog eggs, and wild fish that may have entered the pond. This helps reduce predation and competition for the fry.
Third, temperature adjustment. After transporting fry from another region or supplier, there may be a temperature difference between the transport container and the pond. The temperature difference must be adjusted within 3°C before releasing the fry. It's best to do this between 9-10 a.m., when dissolved oxygen levels are higher and temperature fluctuations are minimal, helping the fry adapt more easily.
Fourth, preparing the fry with egg yolk. Before placing the fry in the pond, put them in a fry cage first. Once they show normal activity, prepare the egg yolk water. Boil the egg yolk thoroughly for over 6 minutes, then wrap it in gauze and rub it in a bowl of water to fully dissolve the yolk. Feed the fry small amounts gradually and evenly. The recommended dosage is one boiled egg yolk per 200,000 to 300,000 fry. After 10-20 minutes of feeding, the fry will be full and can be safely released into the pond.
Fifth, careful release. Fry are often weak and sensitive. On windy days, place the fry on the windward side of the pond to avoid being blown toward the edges. When releasing, float the container on the surface of the pond and slowly tilt it so the water mixes with the pond water, allowing the fry to enter gradually and safely.
Sixth, stock similar-sized fry. Fry from different batches may vary in size, strength, and feeding behavior. Mixing them can lead to uneven growth and reduced survival rates. Always stock fry of similar age and size in the same pond to ensure better uniformity and higher survival.