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Idea 3 d: 3 d printer consumables type and price overview

Release time:2019-02-22  Click volume:1108

In recent years, the additive manufacturing industry has begun to mature, and the iteration speed of 3D printers has gradually accelerated. The price of various 3D printing technologies has been very affordable, including the metal 3D printers that have been used in the past, and nowadays there are desktops that ordinary businesses can afford. product. As another important component of 3D printing, the richness and cost of consumables are equally important for the development of the industry. Even to a certain extent, 3D printers serve materials.

At present, there are three widely used 3D printing technology principles: melt deposition (FDM), stereolithography (SLA), and selective laser sintering (SLS). The principles of these molding techniques vary widely, so the consumables used need to have different forms, and some sub-categories of various technologies will have some differences. Although there is no general-purpose consumable, the choice of 3D printing materials and technology has been greatly improved, the most basic two types of 3D printer consumables: polymer and metal. In this article, we will summarize the current mainstream 3D printed material types and price ranges that have been widely used.

First, thermoplastic polymer

From shopping bags to industrial parts, polymers are almost everywhere. In 3D printing, thermoplastics can be divided into two categories: thermoplastics and thermosets, which are mainly in the form of filaments, powders, and liquids. The thermosetting plastic does not melt and the thermoplastic can be repeatedly heated to repeat the process of melting and solidifying. The plastic consumables in the form of filaments or powders are all thermoplastic.

1,FDM3D printer: filament supplies

The most mature and currently the most widely used FDM3D printers use filamentous consumables. There are many types of thermoplastics that can theoretically be the same as hot melt. At present, there are PLA, ABS, TPU, PETG, etc., which are very rich in color and can be customized by color card. In addition, there are some PLA-based hybrids containing carbon fiber, wood powder, metal powder, wax, fluorescent agent and conductive material. Consumables, and some people who use professional FDM3D printers also use some high-performance filaments.

Due to the wide variety, the cost of FDM3D printers is difficult to answer. In addition, the pricing depends largely on the quality of the materials. The market price difference of the same type of consumables is also very large. Filament consumables for ordinary individuals or enterprises are generally around 50~400 yuan/kg. Generally speaking, ordinary PLA is the cheapest, followed by ABS. Other prices are still expensive, and the prices of some special or high-end consumables even exceed 2000 yuan / kg.

2, SLS3D printer: powder supplies

The SLS3D printer uses a polymer in powder form. The most commonly used material is polyamide, commonly known as nylon (PA). The standard powder for SLS is modified nylon PA12, usually white, and the price per kilogram is about 150~500 yuan. Like the filament, this is the approximate price of ordinary powder. SLS powder is also more expensive and meets higher requirements. High surface quality or performance.

Different SLS3D printer manufacturers generally have different powder consumable standards. In addition, you may have noticed that SLS 3D printers have higher general consumable costs than FDM, which is one of the main reasons why FDM is still the most popular 3D printer.

Second, thermosetting polymer: photosensitive resin

SLA is the first 3D printing technology, which means that the consumables used in SLA3D printers have been in use for decades. The SLA uses a photosensitive resin that is liquid. The most basic composition is usually cured by a thermosetting resin such as epoxy resin, acrylic acid or methacrylic acid, and a photoinitiator illuminating and mixing with a light source. There are not many types and colors of photosensitive resins, and ordinary resins are also used for some industrial special resins, such as resin wax for lost wax casting, dental special resin, heat resistant or flexible resin.


Like SLS powder consumables, photosensitive resins can sometimes be somewhat difficult in terms of versatility among different manufacturers and different technology sub-categories. The average cost is about 300 yuan per liter. The entry-level photosensitive resin will be lower than this. At average prices, there are some that have better surface quality or special properties, such as dental and foundry resins, and some may cost as much as 2,000 yuan per liter.

Third, metal powder

Metal 3D printers use powder sintering technology. The mainstream is direct metal laser sintering (DMLS) and selective laser melting (SLM), both of which are formed by high-energy laser heating of metal powder to form a metal powder matrix. Can be a variety of different metals and alloy materials, such as common copper, aluminum, stainless steel, titanium, nickel alloys, etc., they must be small enough, usually less than 30 microns in diameter, and the shape is close to the sphere, making such a powder It has certain difficulty, so the production cost of 3D printing metal powder has been high. The price of common metal 3D printer powder consumables is 1500~3500 yuan/kg.