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ER Collet with 65Mn Material & DIN6499B Standard er collet chucks
High Accuracy Clamping 1-20mm CNC ER32 Spring ER Collet ,It is a kind of cylindrical fixture used to imprison drilling and milling tools or milling tools, also known as Er collet. It can also be used to fix and strengthen a kind of fixed locking device of parts to be processed. Er spring chuck has large clamping force, wide clamping range and good precision. It is widely used in boring, milling, drilling, tapping, grinding and carving. Er chuck, a kind of spring chuck, is generally used for CNC tool holder
ER Collet Chuck Set /ER20 ER32 ER25 ER40 ER16 ER Collet for drilling milling tapping grinding er collet
1.ER Collets are applied for a variety of processing,including
drilling, milling,tapping&grinding.
2.material: 65Mn er collets. standard: DIN6499B
3.hardness:HRC 44-48.
4. full size: ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50.
| Model | d | D | D1 | D2 | L | Collopsible Capacity | ||
| ER8 | 1.0-5.0 | 8 | 8.45 | 6.5 | 13.5 | 0.50 | ||
| ER11 | 1.0-7.0 | 11 | 11.5 | 9.5 | 18 | 0.50 | ||
| ER16 | 1.0-2.5 | 16 | 17 | 13.8 | 27.5 | 0.50 | ||
| ER16 | 2.5-10.0 | 16 | 17 | 13.8 | 27.5 | 1.00 | ||
| ER20 | 1.0-2.5 | 20 | 21 | 17.4 | 31.5 | 0.50 | ||
| ER20 | 2.5-13.0 | 20 | 21 | 17.4 | 31.5 | 1.00 | ||
| ER25 | 1.0-2.5 | 25 | 26 | 22 | 34 | 0.50 | ||
| ER25 | 2.5-16.0 | 25 | 26 | 22 | 34 | 1.00 | ||
| ER32 | 2.0-2.5 | 32 | 33 | 29.2 | 40 | 0.50 | ||
| ER32 | 2.5-20.0 | 32 | 33 | 29.2 | 40 | 1.00 | ||
| ER40 | 3.0-26.0 | 40 | 41 | 36.2 | 46 | 1.00 | ||
| Model | d | D | D1 | D2 | L | L1 | L2 | L3 |
| ER11 | 1/32-17/64 | 11 | 11.5 | 9.5 | 18 | 3.80 | 2.5 | 2 |
| ER16 | 1/32-3/8 | 16 | 17 | 13.8 | 27.5 | 6.26 | 4 | 2.7 |
| ER20 | 1/32-33/64 | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 |
| ER25 | 5/64-5/8 | 25 | 26 | 22 | 34 | 6.66 | 5 | 3.1 |
| ER32 | 1/16-25/32 | 32 | 33 | 29.2 | 40 | 7.16 | 5.5 | 3.6 |
| ER40 | 1/8-1″ | 40 | 41 | 36.2 | 46 | 7.66 | 7 | 4.1 |
spring ER collet is a type of collet that is used to hold tools in
place in a machine spindle. It is commonly used in milling,
drilling, and turning operations. The collet consists of a
cylindrical body with a series of slits that allow it to expand and
contract. Inside the collet, there is a set of springs that provide
the necessary gripping force to hold the tool securely.
The spring ER collet is designed to be used with ER collet chucks,
which are typically found in CNC machines. The collet chuck has a
matching taper that allows the collet to be inserted and tightened.
When a tool is inserted into the collet, it is held in place by the
springs, which exert a radial force on the tool.
One of the advantages of using a spring ER collet is its
versatility. It can accommodate a wide range of tool sizes, as long
as they are within the collet's specified range. This makes it a
cost-effective solution for shops that use a variety of tool sizes.
Another advantage of the spring ER collet is its high gripping
force. The springs inside the collet provide a strong clamping
force, ensuring that the tool remains securely in place during
machining operations. This helps to minimize tool slippage and
improve machining accuracy.
In conclusion, a spring ER collet is a versatile and reliable tool
holding solution for CNC machines. It provides a strong gripping
force and can accommodate a wide range of tool sizes, making it a
popular choice in the machining industry.
