[1] Oguntuyi S D, Nyembwe K, Shongwe M B et al. Challenges and recent progress on the application of rapid sand casting for part production: a review[J]. The International Journal of Advanced Manufacturing Technology, 126, 891-906(2023).

[2] Sivarupan T, Balasubramani N, Saxena P et al. A review on the progress and challenges of binder jet 3D printing of sand moulds for advanced casting[J]. Additive Manufacturing, 40, 101889(2021).

[3] Zhang Z F, Wang L, Zhang L T et al. Binder jetting 3D printing process optimization for rapid casting of green parts with high tensile strength[J]. China Foundry, 18, 335-343(2021).

[4] Xu J Y, Kang J W, Hu Y K et al. Study on the mechanical properties of 3D-printed sand mold specimens with complex hollow structures[J]. Materials, 17, 996(2024).

[5] Guo M, Dai Y F, Huang B D. Application status and development of laser powder bed fusion technology in typical electromechanical aviation products[J]. Chinese Journal of Lasers, 50, 1602304(2023).

[6] Sun D, Chen S, Shi Y S et al. Research progress of ceramic cores and shells prepared by laser additive manufacturing[J]. Chinese Journal of Lasers, 49, 1202002(2022).

[7] Ai Y M, You Z Y, Liu S L et al. Development and verification of shell low pressure die casting process based on sand mould 3D printing technology[J]. Foundry, 73, 1159-1164(2024).

[8] Lu Y, Li T C, Ma F R et al. Research and application of sand 3D printing technology in automotive engine block casting[J]. Foundry Equipment and Technology, 52-54(2023).

[9] Fu W M, Wang X. Application and future development trends of additive manufacturing technology in key industries[J]. Metal Working (Metal Cutting), 1-9(2024).

[10] Ma L B. Research and development of casting process for automotive cylinder head based on sand 3D printing[J]. Mechanical Research & Application, 37, 169-171(2024).

[11] Bian Z, Yao P K, Liu Z G et al. Research on the casting process of double-suction impeller based on sand mold 3D printing[J]. China Foundry Machinery & Technology, 59, 45-51(2024).

[12] Zhao Y Z, Zhang W G, Gao S J. Application of sand mold 3D printing technology in the development of main reducer housing casting[J]. Foundry Equipment and Technology, 37-41(2024).

[13] Gao B, Kuang R, Fan Y H et al. Casting and forming technology of thin-walled cylindrical parts based on sand mould 3D printing technology[J]. Hot Working Technology, 53, 139-144(2024).

[14] Hu S, Zhang X S. 3D printing technology application in the block casting[J]. MW Metal Forming, 132-134(2024).

[15] Qin R W, Huang B R, Lu D L. Research on rapid casting method of robot arm based on 3D printing[J]. Automation Application, 32-34, 37(2024).

[16] Hu J, Li X G, Yang M J et al. Structural design optimization of irregular frame sand mold based on 3D printing[J]. China Metal Bulletin, 123-125(2024).

[17] Huang J F, Song B. A method for rapidly manufacturing key components of agricultural machinery based on 3D printing[J]. MW Metal Forming, 131-136(2024).

[18] Yu L H, Ye D. Manufacturing of water jacket sand cores for truck cylinder head by SLS method[J]. Special Casting & Nonferrous Alloys, 38, 988-990(2018).

[19] Yao S, Ye C K, Ye J N et al. Research on pattern-less quick casting based on laser rapid prototyping for coated sand[J]. Foundry Technology, 27, 458-460(2006).

[20] Wang Y, Shang H B, Liu X F. Application of 3D printing technology in production of cylinder block castings[J]. Modern Cast Iron, 39, 22-25(2019).

[21] Li D, Tang K G, Meng Q W et al. Application of 3D printing technology in cylinder head casting production[J]. Modern Cast Iron, 38, 17-19, 37(2018).

[22] Shang H B, Wang Y, Liu X F et al. 3D printing rapid prototyping technology of cylinder body castings and its application[J]. Modern Cast Iron, 38, 70-72(2018).

[23] Yang J S, Shen Q W, Yu L H et al. Selective laser sintering of complex hydraulic pressure valve’s sand mode (core) and casting techniques[J]. Foundry, 55, 1227-1231(2006).

[24] Bo F X, He B, Zong X M. Selective laser sintering process of coated sands[J]. Laser & Optoelectronics Progress, 54, 091405(2017).

[25] Liu Y, Hou J. Forming defects and its influence on mechanical properties of polyetheretherketone manufactured by selective laser sintering[J]. Chinese Journal of Lasers, 50, 2002305(2023).

[26] Wang Y Y, He W, Shu L S. Multi-objective optimization of laser remanufacturing process parameters for steel surface of hydraulic prop[J]. Laser & Optoelectronics Progress, 61, 0514004(2024).

[27] Wang X Y. Research on digital molding process of integral multi-way valve[D](2018).

[28] Tang S, Zhang Y, Xia F. Development of 3D printing casting process for hydraulic transmission locomotive valve body[J]. Modern Cast Iron, 38, 6-8(2018).

[29] Xu X W, Wang J. Nodular iron valve body casting method and process of excavator hydraulic control valve[J]. Modern Cast Iron, 31, 56-59(2011).

[30] Yang H L, Gao Y W, Su W Y et al. Foundry technology design and optimization analysis of high pressure control valve body[J]. Metallurgical Equipment, 5, 6-10(2017).

[31] Bo F X, He B, Zhang W. A casting method and system for integrated multi-way valves based on[P]. D printing.

[32] Zhang W, Bo F X, He B[P]. 3D printing-based integral hydraulic multi-way valve sand core casting process.